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Asus Cusl2CASUS CUSL2-C - motherboard - ATX - i815EP - Socket 370 - Retail

ATA-100, 0 MB / 512 MB (max) - DIMM 168-pin, SDRAM, 2 x USB

ASUS provides leading-edge technology and best-value solutions at highest quality to all its customers. ASUS CUSL2-C mainboard is based on the new Intel 815EP chipset with ATX form factor for the latest support of Intel Pentium III Coppermine, and FC-PGA Celeron processors. It has no support for PPGA Celeron processors. This chipset is equipped with 133MHz Front Side Bus (FSB) and provides support both for PC133/PC100 SDRAM, AGP Pro/4X, and UltraATA100 Bus Master IDE. Other features like Suspend... Read more

 

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Reprinted from the Code of Federal Regulations #47, part 15.193, 1993. Washington DC: Office of the Federal Register, National Archives and Records Administration, U.S. Government Printing Office.
Canadian Department of Communications Statement
This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications. This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numrique de la classe B est conforme la norme NMB-003 du Canada.

1. INTRODUCTION

This manual is divided into the following sections: 1. 2. 3. 4. 5. 6. 7. INTRODUCTION FEATURES HARDWARE SETUP BIOS SETUP SOFTWARE SETUP SOFTWARE REFERENCE APPENDIX Manual information and checklist Production information and specifications Intructions on setting up the motherboard. Intructions on setting up the BIOS Intructions on setting up the included software Reference material for the included software Optional items and general reference

1.2 Item Checklist

Check that your package is complete. If you discover damaged or missing items, contact your retailer.
Package Contents (1) ASUS Motherboard (1) 40-pin 80-conductor ribbon cable for internal UltraDMA100/66/33 IDE drives (1) Ribbon cable for master and slave IDE drives (1) Ribbon cable for (1) 5.25 and (2) 3.5 floppy disk drives (1) Bag of spare jumpers (1) Support drivers and utilities (1) This Motherboard Users Manual (1) ASUS 2-port USB connector set with bracket (1) COM2 Bracket (1) COM2/VGA EMI Shielding Label Optional Items USB Hub CNR card LAN/Home PNA CNR card ASUS iPanel ASUS consumer infrared set ASUS IrDA-compliant infrared module
1. INTRODUCTION Manual / Checklist
1.1 How This Manual Is Organized

2. FEATURES

2.1 The ASUS CUSL2-C
The ASUS CUSL2-C motherboard is carefully designed for the demanding PC user who wants advanced features processed by the fastest processors.

2.1.1Specifications

Latest Intel Processor Support Pentium III 100/133MHz FSB FC-PGA Celeron 66MHz FSB FC-PGA North Bridge System Chipset: The Intel 815EP chipset supports a 66/100/ 133 Front Side Bus (FSB), up to 512MB of PC100/PC133 SDRAM, and AGP 4X mode, which can transport twice the amount of data compared to the current AGP standard. South Bridge System Chipset: The Intel I/O Controller Hub 2 (ICH2) features support for UltraDMA/100, which allows burst mode data transfer rates of up to 100MB/sec; two USB controllers for a total of 4 USB ports; and six channel AC97 CODEC support. Intel Accelerated Hub Architecture: Features a dedicated high speed hub link between the ICH2 and GMCH with a bandwidth of 266MB/sec twice the maximum bandwidth of the PCI bus. PC100/PC133 Memory Support: Equipped with three Dual Inline Memory Module (DIMM) sockets to support PC100/PC133-compliant SDRAMs (available in 64, 128, 256, 512MB densities) up to 512MB. AGP Slot: Comes with an Accelerated Graphics Port slot that supports AGP cards for high performance, component level interconnect targeted at 3D graphical applications supporting 133MHz 4X mode. Backward compatible to support AGP 2X. UltraDMA33/66/100 Support: Comes with an onboard PCI Bus Master IDE controller with two connectors that support four IDE devices on two channels. Supports UltraDMA/100, UltraDMA/66, UltraDMA/33, PIO Modes 3 & 4 and Bus Master IDE DMA Mode 2, and Enhanced IDE devices, such as DVD-ROM, CD-ROM, CD-R/RW, LS-120, and Tape Backup drives. Wake-Up Support: Supports Wake-On-LAN and Wake-On-Ring, Keyboard Wake-Up, and BIOS Wake-Up. JumperFree Mode: Allows processor settings and easy overclocking of frequency and Vcore voltage all through BIOS setup when JumperFree mode is enabled. Easy-to-use DIP switches instead of jumpers are included to allow manual adjustment of the processors external frequency. Around-the-Clock Intrusion Detection: Chassis intrusion circuitry can log chassis open events into LDCM. The onboard battery supports detection even when normal power is removed and through a new design, battery drain is even lower than the RTC used for keeping time!

2. FEATURES Specifications
Firmware Hub: Provides security-enhancements in computer platforms by supporting Random Number Generator (RNG). PC Health Monitoring: Provides an easy way to examine and manage system status information, such as CPU and systerm voltages, temperatures, and fan status through the onboard hardware ASUS ASIC and the bundled ASUS PC Probe or Intel LDCM software. CNR Support: A Communication and Networking Riser (CNR) slot provides an interface to support very affordable multichannel audio, V.90 analog modem, Home PNA, 10/100 Ethernet networking, and USB hub. PCI Expansion Slots: Provides six 32-bit PCI (PCI 2.2 compliant) expansion slots. All PCI slots can support Bus Master PCI cards, such as SCSI or LAN cards. (PCI supports up to 133MB/s maximum throughput.) Low Pin Count (LPC) Multi-I/O: Provides two high-speed UART compatible serial ports and one parallel port with EPP and ECP capabilities. UART2 can also be directed from COM2 to the Infrared Module for wireless connections. Enhanced ACPI & Anti-Boot Virus Protection: Programmable BIOS (Flash EEPROM), offering enhanced ACPI for Windows 98/2000/Millenium compatibility, built-in firmware-based virus protection, and autodetection of most devices for virtually automatic setup. Smart BIOS: The firmware hub gives a new easy-to-use interface which provides more control and protection over the motherboard. Provides Vcore and CPU/ SDRAM frequency adjustments, boot block write protection, and HD/SCSI/MO/ ZIP/CD/Floppy boot selection. Hardware random number generator supports new security software for data protection and secured Internet transactions. Concurrent PCI: Concurrent PCI allows multiple PCI transfers from PCI master busses to the memory and processor. Onboard LED: The onboard LED will light up when there is standby power to the motherboard. This acts as a reminder to the user to turn OFF the power before plugging and unplugging devices so as not to damage the motherboard, peripherals, and/or components. One Touch Management: Supports an optional ASUS iPanel, an easy to access box with system information LED display, front I/O ports, and space reserved for a hard disk drive. With an ASUS iPanel, you can monitor your computer systems vital components. SMBus: Features the System Management Bus interface, which is used to physically transport commands and information between SMBus devices.
2.1.2 SpecificationsOptional Components
The following onboard components are optional at the time of purchase: Onboard Audio: AC97 V2.1 compliant Audio Codec with 3D sound circuitry and sample rate conversion from 7kHz to 48kHz. UltraPerformance: Onboard IDE Bus Master controller with two connectors that support four IDE devices in two channels. Supports UltraDMA/100, UltraDMA/ 66, UltraDMA/33 (IDE DMA Mode 2), PIO Modes 3 & 4, and supports Enhanced IDE devices, such as DVD-ROM, CD-ROM, CD-R/RW, LS-120, and Tape Backup drives. High-Speed Data Transfer Interface: IDE transfers using UltraDMA/66 Bus Master IDE can handle rates up to 66.6MB/s. This motherboard with its chipset and support for UltraDMA/100 increases the data transfer rate to 100MB/s. UltraDMA/100 is backward compatible with DMA/66, DMA/33, and DMA and with existing DMA devices and systems so there is no need to upgrade current EIDE/IDE drives and host systems. (UltraDMA/66/100 requires a 40-pin 80conductor cable to be enabled.) Concurrent PCI: Concurrent PCI allows multiple PCI transfers from PCI master buses to memory and processor. SDRAM Optimized Performance: This motherboard supports PC133-compliant Synchronous Dynamic Random Access Memory (SDRAM), which increases the data transfer rate to 1066MB/s max. ACPI Ready: ACPI (Advanced Configuration and Power Interface) is also implemented on all ASUS smart series motherboards. ACPI provides more Energy Saving Features for future operating systems (OS) supporting OS Direct Power Management (OSPM) functionality. With these features implemented in the OS, PCs can be ready around the clock, yet satisfy all the energy saving standards. To fully utilize the benefits of ACPI, an ACPI-supported OS, such as Windows 98/2000/Millenium, must be used. Suspend and Go: Suspend-to-RAM (STR) provides maximum power savings as an alternative to leaving the computer ON and QuickStart so that you do not have to wait for a long time for system bootup. New Compliancy: Both the BIOS and hardware levels of the motherboard meet the stringent requirements for PC 99 certification. The new PC 99 requirements for systems and components are based on the following high-level goals: support for Plug and Play compatibility and power management for configuring and managing all system components, and 32-bit device drivers and installation procedures for Windows 95/98/NT and later. Color-coded connectors and descriptive icons make identification easy as required by PC 99. ASUS CUSL2-C Users Manual

3. H/W SETUP Layout Contents
18) 19) 20) 21) 22) ACHA WOL_CON WOR_CON USB2, USB56 ATXPWR p.38 p.39 p.39 p.40 p.41 Chassis Intrusion Connector (2 pins) Wake-On-LAN Connector (3 pins) Wake-On-Ring Connector (2 pins) USB Headers (5-1 pins, 5 pins) ATX Power Supply Connector (20 pins)
23) JTPWR 24) PWRLED (PANEL) 25) KEYLOCK (PANEL) 26) SPEAKER (PANEL) 27) MSG.LED (PANEL) 28) SMI (PANEL) 29) PWRSW (PANEL) 30) RESET (PANEL)
p.41 Power Supply Thermal Sensor Connector (2 pins) p.42 System Power LED Lead (3-1 pins) p.42 Keyboard Lock Switch Lead (2 pins) p.42 System Warning Speaker Connector (4 pins) p.42 System Message LED (2 pins) p.42 System Management Interrupt Switch Lead (2 pins) p.42 ATX Power / Soft-Off Switch Lead (2 pins) p.42 Reset Switch Lead (2 pins)
16 ASUS CUSL2-C Users Manual
3.3 Hardware Setup Procedure
Before using your computer, you must complete the following steps: Check Motherboard Settings Install Memory Modules Install the Central Processing Unit (CPU) Install Expansion Cards Connect Ribbon Cables, Panel Wires, and Power Supply

3.4 Motherboard Settings

WARNING! Computer motherboards and expansion cards contain very delicate Integrated Circuit (IC) chips. To protect them against damage from static electricity, you should follow some precautions whenever you work on your computer. 1. Unplug your computer when working on the inside. 2. Use a grounded wrist strap before handling computer components. If you do not have one, touch both of your hands to a safely grounded object or to a metal object, such as the power supply case. 3. Hold components by the edges and try not to touch the IC chips, leads or connectors, or other components. 4. Place components on a grounded antistatic pad or on the bag that came with the component whenever the components are separated from the system. 5. Ensure that the ATX power supply is switched off before you plug in or remove the ATX power connector on the motherboard. WARNING! Make sure that you unplug your power supply when adding or removing system components. Failure to do so may cause severe damage to your motherboard, peripherals, and/or components. The onboard LED when lit acts as a reminder that the system is in suspend or soft-off mode and not powered OFF.

ON Standby Power

COM 1 Serial Port (9-pin male)
CUSL2-C Serial COM2 Bracket
6) Game/MIDI Connector (Gold 15-pin GAME_AUDIO) (optional) You may connect game joysticks or game pads to this connector for playing games. Connect MIDI devices for playing or editing professional audio.
Joystick/MIDI (15-pin female)
Line Out Line In Mic 1/8" Stereo Audio Connectors
8) Floppy Disk Drive Connector (34-1pin FLOPPY) This connector supports the provided floppy drive ribbon cable. After connecting the single end to the board, connect the two plugs on the other end to the floppy drives. (Pin 5 is removed to prevent inserting in the wrong orientation when using ribbon cables with pin 5 plugged).
NOTE: Orient the red markings on the floppy ribbon cable to PIN 1.
CUSL2-C Floppy Disk Drive Connector
3. H/W SETUP DMA Channels Connectors
7) Audio Port Connectors (Three 1/8 GAME_AUDIO) (optional) Line Out (lime) can be connected to headphones or preferably powered speakers. Line In (light blue) allows tape players or other audio sources to be recorded by your computer or played through the Line Out (lime). Mic (pink) allows microphones to be connected for inputting voice.
9) Primary (Blue) / Secondary IDE Connectors (Two 40-1pin IDE) These connectors support the provided IDE hard disk ribbon cable. Connect the cables blue connector to the motherboards primary (recommended) or secondary IDE connector, and then connect the gray connector to your UltraDMA/100 slave device (hard disk drive) and the black connector to your UltraDMA/100 master device. It is recommended that non-UltraDMA/100 devices be connected to the secondary IDE connector. If you install two hard disks, you must configure the second drive to Slave mode by setting its jumper accordingly. Please refer to your hard disk documentation for the jumper settings. BIOS now supports specific device bootup (see 4.4.1 Advanced CMOS Setup). (Pin 20 is removed to prevent inserting in the wrong orientation when using ribbon cables with pin 20 plugged). TIP: You may configure two hard disks to be both Masters with two ribbon cables one for the primary IDE connector and another for the secondary IDE connector. You may install one operating system on an IDE drive and another on a SCSI drive and select the boot disk through 4.4.1 Advanced CMOS Setup. IMPORTANT: UltraDMA/100 IDE devices must use a 40-pin 80-conductor IDE cable for 100MByte/sec transfer rates.
Secondary IDE Connector Primary IDE Connector
NOTE: Orient the red markings (usually zigzag) on the IDE ribbon cable to PIN 1.

CUSL2-C IDE Connectors

10) IDE Activity LED (2-pin IDELED) This connector supplies power to the cabinets IDE activity LED. Read and write activity by devices connected to the Primary or Secondary IDE connectors will cause the LED to light up.

IRRX GND IRTX SMBDATA +3VSB SMBCLK LOCKKEY NC IRRX GND IRTX +5 V NC
NC GND NC CIRRX +5VSB CHASSIS# EXTSMI# +5V MLEDPCIRST# BATT NC

SIR CIR

NC GND NC CIRRX +5VSB
Standard Infrared (SIR) Front View Back View

IR_CON

CUSL2-C Front Panel Connectors

IRTX GND IRRX

+5V (NC)
16) ASUS iPanel Audio Connector (12-1 pin AAPANEL) Connect the audio cable from the optional ASUS iPanel to this for front panel audio control.

AAPANEL

Line out_L AGND3 Line out_R MICPWR
CUSL2-C Audio Panel Connectors
MIC2 AGND Line in_L AGND2 Line in_R
17) SMB Connector (5-1 pin SMB) This connector allows you to connect SMBus (System Management Bus) devices. SMBus devices communicate by means of the SMBus with an SMBus host and/or other SMBus devices. SMBus is a specific implementation of an I2C bus, which is a multi-device bus; that is, multiple chips can be connected to the same bus and each one can act as a master by initiating data transfer.

Ground SMBCLK

SMBDATA +5V 1

CUSL2-C SMBus Connector

18) Chassis Intrusion Lead (2-pin ACHA) This lead is for a chassis designed for chassis intrusion detection. After-market toggle switches may also be installed to the chassis panel or on any removable components. Two wires should be available from the chassis to connect to this lead. When any chassis component is removed, the contact should open and the motherboard will record a chassis intrusion event. The event can then be processed by software such as LDCM. If the chassis intrusion lead is not used, a jumper cap must be placed over the pins to close the circuit.
CUSL2-C Chassis Open Alarm Lead
19) Wake-On-LAN Connector (3-pin WOL_CON) This connector connects to a LAN card with a Wake-On-LAN output, such as the ASUS PCI-L101 Ethernet card (see 7. Appendix). The connector powers up the system when a wakeup packet or signal is received through the LAN card. IMPORTANT: This feature requires that Wake On LAN or PCI Modem is enabled (see 4.5.1 Power Up Control) and that your system has an ATX power supply with at least 720mA +5V standby power.

Power Supply Thermal Sensor
CUSL2-C Thermal Sensor Connector
+3.3 Volts -12.0 Volts Ground Power Supply On Ground Ground Ground -5.0 Volts +5.0 Volts +5.0 Volts
+3.3 Volts +3.3 Volts Ground +5.0 Volts Ground +5.0 Volts Ground Power Good +5V Standby +12.0 Volts
The following is for items 2430

Keyboard Lock Power LED

PLEDKeylock Ground PLED+

Speaker Connector

+5V Ground Ground Speaker
MLED+ MLEDExtSMI# Ground PWR GND

Message LED

Reset SW ATX Power Switch*

SMI Lead

* Requires an ATX power supply.
CUSL2-C System Panel Connectors
24) System Power LED Lead (3-1 pin PWRLED) This 3-1 pin connector connects the system power LED, which lights when the system is powered on and blinks when it is in sleep mode. 25) Keyboard Lock Switch Lead (2-pin KEYLOCK) This 2-pin connector connects to the case-mounted key switch to allow keyboard locking. 26) System Warning Speaker Connector (4-pin SPEAKER) This 4-pin connector connects to the case-mounted speaker. Two sources (LINE_OUT and SPEAKER) will allow you to hear system beeps and warnings. Only SPEAKER will allow you to hear system beeps before the integrated audio has been properly initialized. 27) System Message LED Lead (2-pin MSG.LED) This indicates whether a message has been received from a fax/modem. The LED will remain lit when there is no signal and blink when there is data received. This function requires an ACPI OS and driver support. 28) System Management Interrupt Lead (2-pin SMI) This allows the user to manually place the system into a suspend mode or Green mode, where system activity is decreased to save electricity and expand the life of certain components when the system is not in use. This 2-pin connector connects to the case-mounted suspend switch. 29) ATX Power Switch Lead (2-pin PWRSW) The system power is controlled by a momentary switch connected to this lead. Pressing the button once will switch the system between ON and SOFT OFF. Pushing the switch while in the ON mode for more than 4 seconds will turn the system off. The system power LED shows the status of the systems power. 30) Reset Switch Lead (2-pin RESET) This 2-pin connector connects to the case-mounted reset switch for rebooting your computer without having to turn off your power switch. This is a preferred method of rebooting to prolong the life of the systems power supply.

44 ASUS CUSL2-C Users Manual

4. BIOS SETUP

4.1 Managing and Updating Your BIOS
4.1.1 Upon First Use of the Computer System
It is recommended that you save a copy of the original motherboard BIOS along with a Flash Memory Writer utility (AFLASH.EXE) to a bootable floppy disk in case you need to reinstall the BIOS later. AFLASH.EXE is a Flash Memory Writer utility that updates the BIOS by uploading a new BIOS file to the programmable flash ROM on the motherboard. This file works only in DOS mode. To determine the BIOS version of your motherboard, check the last four numbers of the code displayed on the upper left-hand corner of your screen during bootup. Larger numbers represent a newer BIOS file. 1. Type FORMAT A:/S at the DOS prompt to create a bootable system floppy disk. DO NOT copy AUTOEXEC.BAT & CONFIG.SYS to the disk. 2. Type COPY D:\AFLASH\AFLASH.EXE A:\ (assuming D is your CDROM drive) to copy AFLASH.EXE to the just created boot disk. NOTE: AFLASH works only in DOS mode. It will not work with DOS prompt in Windows and will not work with certain memory drivers that may be loaded when you boot from your hard drive. It is recommended that you reboot using a floppy. 3. Reboot your computer from the floppy disk. NOTE: BIOS setup must specify Floppy as the first item in the boot sequence. 4. In DOS mode, type A:\AFLASH <Enter> to run AFLASH.
IMPORTANT! If unknown is displayed after Flash Memory:, the memory chip is either not programmable or is not supported by the ACPI BIOS and therefore, cannot be programmed by the Flash Memory Writer utility. ASUS CUSL2-C Users Manual 45
4. BIOS SETUP Updating BIOS
5. Select 1. Save Current BIOS to File from the Main menu and press <Enter>. The Save Current BIOS To File screen appears.
6. Type a filename and the path, for example, A:\XXX-XX.XXX and then press <Enter>.
4.1.2 Updating BIOS Procedures
WARNING! Only update your BIOS if you have problems with your motherboard and you know that the new BIOS revision will solve your problems. Careless updating can result in your motherboard having more problems! 1. Download an updated ASUS BIOS file from the Internet (WWW or FTP) (see ASUS CONTACT INFORMATION on page 3 for details) and save to the disk you created earlier. 2. Boot from the disk you created earlier. 3. At the A:\ prompt, type AFLASH and then press <Enter>. 4. At the Main Menu, type 2 and then press <Enter>. The Update BIOS Including Boot Block and ESCD screen appears. 5. Type the filename of your new BIOS and the path, for example, A:\XXXXX.XXX, and then press <Enter>. NOTE: To cancel this operation, press <Enter>.

4. BIOS SETUP I/O Device Config
UART2 Use Standard Infrared [Disabled] When enabled, this field activates the onboard standard infrared feature and sets the second serial UART to support the infrared module connector on the motherboard. If your system already has a second serial port connected to the onboard COM2 connector, it will no longer work if you enable the infrared feature. Configuration options: [Disabled] [Enabled] Onboard Parallel Port [378H/IRQ7] This field sets the address of the onboard parallel port connector. If you disable this feature, Parallel Port Mode and ECP DMA Select configurations will not be available. Configuration options: [Disabled] [378H/IRQ7] [278H/IRQ5] Parallel Port Mode [ECP+EPP] This field allows you to set the operation mode of the parallel port. [Normal] allows normal-speed operation but in one direction only; [EPP] allows bidirectional parallel port operation; [ECP] allows the parallel port to operate in bidirectional DMA mode; [ECP+EPP] allows normal speed operation in a two-way mode. Configuration options: [Normal] [EPP] [ECP] [ECP+EPP] ECP DMA Select [3] This field allows you to configure the parallel port DMA channel for the selected ECP mode. This selection is available only if you select [ECP] or [ECP+EPP] in Parallel Port Mode above. Configuration options: [1] [3] Onboard Game Port [200H-207H] This field sets the address of the onboard game port connector. Configuration options: [Disabled] [200H-207H] [208H-20FH] Onboard MIDI I/O [Disabled] This field sets the address of the onboard MIDI connector. Configuration options: [Disabled] [330H-331H] [300H-301H] Onboard MIDI IRQ [xx] This field is not available if you select [Disabled] for the Onboard MIDI I/O field. Configuration options: [3] [4] [5] [7] [9] [10] [11] [12] [14] [15] Onboard CIR I/O [Disabled] This field sets the address of the onboard Consumer IR connector. Configuration options: [Disabled] [2E0-2E8H] [3E0-3E8H] Onboard CIR IRQ [xx] This field is not available if you select [Disabled] for the Onboard CIR I/O field. Configuration options: [3] [4] [5] [7] [9] [10] [11] [12] [14] [15]

4.4.3 PCI Configuration

Slot 1/5, Slot 2, Slot 3, Slot 4, Slot 6 IRQ [Auto] These fields set how IRQ use is determined for each PCI slot. The default setting for each field is [Auto], which utilizes auto-routing to determine IRQ use. Configuration options: [Auto] [NA] [3] [4] [5] [7] [9] [10] [11] [12] [14] [15] PCI/VGA Palette Snoop [Disabled] Some nonstandard VGA cards, such as graphics accelerators or MPEG video cards, may not show colors properly. The setting [Enabled] should correct this problem. Otherwise, leave this on the default setting of [Disabled]. Configuration options: [Disabled] [Enabled] PCI Latency Timer [32] Leave on default setting for best performance vs. stability. SYMBIOS SCSI BIOS [Auto] [Auto] allows the motherboards BIOS to detect whether you have a Symbios SCSI controller. If the Symbios SCSI controller is detected, the motherboards Symbios BIOS will be enabled; if no Symbios SCSI controller is detected, the onboard Symbios SCSI BIOS will be disabled. [Disabled] will disable the motherboards Symbios SCSI BIOS so that the BIOS on an add-on Symbios SCSI card can be used. If your Symbios SCSI card does not have a BIOS, the Symbios SCSI card will not function. Configuration options: [Auto] [Disabled]

4. BIOS SETUP Power Menu

Power Management [User Define] This option must be enabled to use any of the automatic power saving features. If this menu item is set to [Disabled], power management features will not function regardless of other field settings on this menu. The [User Define] option allows you to make your own selections in the Power menu. When set to [Max Saving], system power will be conserved to its greatest amount. The Suspend Mode field will then be set to predefined value that ensures maximum power savings.
Video Off Option [Suspend -> Off ] This field determines when to activate the video off feature for monitor power management. Configuration options: [Always On] [Suspend -> Off] Video Off Method [DPMS OFF] This field defines the video off features. The DPMS (Display Power Management System) feature allows the BIOS to control the video display card if it supports the DPMS feature. [Blank Screen] only blanks the screen (use this for monitors without power management or green features. If set up in your system, your screen saver will not display with [Blank Screen] selected). [V/H SYNC+Blank] blanks the screen and turns off vertical and horizontal scanning. Configuration options: [Blank Screen] [V/H SYNC+Blank] [DPMS Standby] [DPMS Suspend] [DPMS OFF] [DPMS Reduce ON] HDD Power Down [Disabled] This feature shuts down any IDE hard disk drives in the system after a period of inactivity as set in this user-configurable field. This feature does not affect SCSI hard drives. Configuration options: [Disabled] [1 Min] [2 Min] [3 Min].[15 Min] Suspend-to-RAM Capability [Disabled] Suspend-to-RAM (STR) is an energy-saving feature. In Suspend-to-RAM state, all devices on the computer are turned off, except for the system RAM. Thus, the PC consumes less than 5 Watts of power. Select [Enabled] if your power supply can supply at least 720mA on the +5VSB lead to support the STR function. If the expansion cards you use on the motherboard do not support the STR function, you must leave this field on the default setting [Disabled]. NOTE: This field is only effective for Windows 98. Configuration options: [Disabled] [Enabled] Suspend Mode [Disabled] Sets the time period before the system goes into suspend mode. NOTE: This field is effective for DOS, Windows 9x, and Windows NT 4.0 environments. Configuration options: [Disabled] [1~2 Min] [2~3 Min].[1 Hour] PWR Button < 4 Secs [Soft Off] When set to [Soft off], the ATX switch can be used as a normal system power-off button when pressed for less than 4 seconds. [Suspend] allows the button to have a dual function where pressing less than 4 seconds will place the system in sleep mode. Regardless of the setting, holding the ATX switch for more than 4 seconds will power off the system. Configuration options: [Soft off] [Suspend]

4.5.1 Power Up Control

AC PWR Loss Restart [Disabled] This allows you to set whether you want your system to reboot after the power has been interrupted. [Disabled] leaves your system off and [Enabled] reboots your system. [Previous State] sets your system back to the state it is before the power interruption. Configuration options: [Disabled] [Enabled] [Previous State] PWR Up On External Modem Act [Disabled] This allows either settings of [Enabled] or [Disabled] for powering up the computer when the external modem receives a call while the computer is in Soft-off mode. NOTE: The computer cannot receive or transmit data until the computer and applications are fully running. Thus connection cannot be made on the first try. Turning an external modem off and then back on while the computer is off causes an initialization string that will also cause the system to power on. Configuration options: [Disabled] [Enabled] Wake On LAN or PCI Modem[Disabled] Wake-On-LAN/PCI Modem allows your computer to be booted from another computer via a network by sending a wake-up frame or signal. Configuration options: [Disabled] [Enabled] IMPORTANT: This feature requires an optional network interface card with WakeOn-LAN and an ATX power supply with at least 720mA +5V standby power.
4. BIOS SETUP Power Up Control
Wake On PS2 KB/PS2 Mouse/CIR [Disabled] Set this field to [Enabled] if you wish to use your PS2 keyboard, PS2 mouse, or consumer IR device to power up your computer. This feature requires an ATX power supply that can supply at least 300mA on the +5VSB lead. The default is set to [Disabled] because not all computers have the appropriate ATX power supply. Your computer will not power ON if you set this to [Enabled] and do not have the appropriate ATX power supply. Configuration options: [Disabled] [Enabled] Wake Up By Keyboard [Space Bar] When the previous setup item Wake On PS2 KB/PS2 Mouse/CIR is enabled, you may specify the key(s) to press to power up the computer. Configuration options: [Space Bar] [Ctrl-Esc] [Power Key] Wake On USB for STR State [Disabled] This field allows you to use your USB device/s, if any, to power up the computer from Suspend-to-RAM mode. This feature requires an ATX power supply that can supply at least 2A on the +5VSB lead. The default is set to [Disabled] because not all computers have the appropriate ATX power supply. Your computer will not power on if you set this to [Enabled] and do not have the appropriate ATX power supply. NOTE: This feature must be set in conjunction with USB Device Wake Up in 3.4 Motherboard Settings. Configuration options: [Disabled] [Enabled] Automatic Power Up [Disabled] This allows an unattended or automatic system power up. You may configure your system to power up at a certain time of the day by selecting [Everyday] or at a certain time and day by selecting [By Date]. NOTE: Automatic Power Up will not work if the system is powered down by operating systems, such as Windows 98, which have ACPI support enabled. Configuration options: [Disabled] [Everyday] [By Date]

78 ASUS CUSL2-C Users Manual

5. SOFTWARE SETUP

5.1 Install Operating System
You should always use the latest operating system and updates when using new hardware to ensure full compliancy. You may use any version of Windows 98/2000/ Millenium, but for Windows 95, you must use OSR 2.0 or later. For Windows NT 4.0, you must use Service Pack 3.0 or later.

5.2 Start Windows

When you start Windows 98 for the first time after installing your motherboard, Windows will detect all plug-and play devices. Follow the Add New Hardware Wizard to install all necessary device drivers. When prompted to restart, select No and then follow the setup procedures in this section. NOTE: Because there are various motherboard settings, options, and expansion cards, the following can only be used as a general reference and may not be an exact reflection of your system.
5. S/W SETUP 5. S/W SETUP Windows 98 Windows 98
5.3 CUSL2-C Motherboard Support CD
NOTE: The support CD contents are subject to change at any time without notice. To begin using your support CD disc, just insert it into your CD-ROM drive and the support CD installation menu should appear. If the menu does not appear, doubleclick or run E:\ASSETUP.EXE (assuming that your CD-ROM drive is drive E:).

5.3.1 Installation Menu

Only for Intel 815E Chipset
INF Update Utility for Intel 815 Chipset: Installs INF files in Windows for the following items: System and Graphics, LPC Interface, SM Bus, PCI Bridge, Bus Master IDE, USB Host, and Controllers. Intel 815 Chipset Graphic Control Driver (only for Intel 815E chipset): Installs Intels 815 System and Graphics Controller Driver. Intel LDCM Administrator Setup: Installs software to monitor PC systems on the network within the same bridge address with the Client software installed. The administrator should install both Administrator and Client software. Intel LDCM Client Setup: Installs software to monitor the Client system. The LANDesk Client Manager must be installed to use the hardware manager features. ASUS BIOS Flash Utility for LDCM: Installs a utility that can remotely flash a client PCs BIOS when used in conjunction with Intel LDCM Administrator. Install Intel Ultra ATA Storage Driver: Installs Intels Ultra ATA storage driver. Install ASUS PC Probe Vx.xx: Installs a utility to monitor your computers fan, temperature, and voltages. Install ASUS Update Vx.xx: Installs a program to help you update your BIOS or download a BIOS image file. Microsoft DirectX Driver: Installs Microsoft DirectX driver. YAMAHA SoftSynthesizer S-YXG50: Installs the Yamaha SoftSynthesizer for playing MIDI files through software. Refer to the online help for more information. PC-cillin 98 Vx.xx: Installs the PC-cillin virus protection software. View the online help for more information.

ROM (Read Only Memory) ROM is nonvolatile memory used to store permanent programs (called firmware) used in certain computer components. Flash ROM (or EEPROM) can be reprogrammed with new programs (or BIOS). SCSI (Small Computer System Interface) High speed multi-threaded I/O interface defined by the X3T9.2 committee of the American National Standards Institute (ANSI) for connecting many peripheral devices. The standard started from 10MBytes/sec to 160MBytes/sec available today. SDRAM (Synchronous DRAM) The SDRAM features a fully synchronous operation referenced to a positive edge clock whereby all operations are synchronized at a clock input which enables the coexistence of high performance and a simple user interface. SDRAM takes memory access away from the CPU's control; internal registers in the chips accept the request, and let the CPU do something else while the data requested is assembled for the next time the CPU talks to the memory. As they work on their own clock cycle, the rest of the system can be clocked faster. There is a version optimized for video cards, and main memory for motherboards. SPD for SDRAM module Serial Presence Detect (SPD) is most like an ID detect for SDRAM module, it using a EEPROM component on DIMM module for storing module configuration information inside. The Serial Presence Detect function is implemented using a 2048 bit EEPROM component. This nonvolatile storage device contains data programmed by the DIMM manufacturer that identifies the module type and various SDRAM organization and timing parameters. SSE (Streaming SIMD Extensions) A set of new instructions added to existing architectures that enables a better visual experience with an accelerated 3D geometry pipeline and support for new applications, such as real-time video encoding and speech recognition. System Disk A system disk contains the core file of an operating system and is used to boot up the operating system. UltraDMA Ultra DMA/33 is a "synchronous DMA" protocol designed by Intel. This function is included into Intel's PIIX4 chipset. The traditional IDE transfer only uses one edge of the data stroke as the data transfer. Ultra DMA/33 uses both edges of data strobe when the data is transferred. Hence, the data transfer rate is double of the PIO mode 4 or DMA mode 2 (16.6MB/s x2 = 33MB/s) on ATA-2 devices. Ultra ATA/66, also known as Ultra DMA/66, is an extension of current Ultra ATA/ 33 interface. This new high-speed interface has doubled the Ultra ATA/33 burst data transfer rate to 66.6 Mbytes/sec and maximized disk performance under current PCI local bus environment USB (Universal Serial Bus) A 4-pin serial cable bus that allows up to 127 plug and play computer peripherals such as keyboard, mouse, joystick, scanner, printer, modem, and monitor to share a bandwidth through a host scheduled token based protocol. This allows attaching or detaching while the host and other peripherals are in operation. Supports synchronous and asynchronous transfer types over the same set of wires up to 12Mbit/sec. USB 2.0 provides twice the transfer rate compared to USB 1.0 and competes with the 1394 standard. Wake-On-LAN Computer will automatically wake-up upon receiving a wake-up packet through a Network interface when it is under power soft-off, suspend or sleep mode.

PCI 2.1 Support 63 PCI Latency Timer 66 PCI/VGA Palette Snoop 66 PIO Mode 55 Plug & Play O/S 75 Power Fan Speed 73 Power Management 69 PowerDVD 110 Using 110 PowerPlayer SE Using 109 Procedure CPU Installation 26 Procedures Updating BIOS 46 Processor Serial Number 59 PWR Button < 4 Secs 70 PWR Up On Modem Act 71 Software Setup Adobe Acrobat Reader 94 ASUS PC Probe 89 ASUS Update 90 Intel LDCM Admin 85 Intel LDCM Client 87 LDCM Administrator 85 LDCM Client 87 PC-Cillin Starting Up 43 Supervisor Password 57 Suspend Mode 70 Suspend-to-RAM Capability 70 SYMBIOS SCSI BIOS 66 System Date 52 System Time 52
Translation Method 54 Type 53
Quick Power On Self Test 75
UART2 Use Standard Infrared 64 Ultra DMA Mode 55 Uninstalling Programs 96 Updating Your BIOS 45 USB Function 67 USB Legacy Support 59 Using LiveUpdate 107 PC Probe 102 PowerPlayer SE 109

Removable Device 74

Save Changes 77 SDRAM Cycle Time 62 RAS Precharge Time 62 SDRAM CAS Latency 61 SDRAM Configuration 61 SDRAM Cycle Time 62 SDRAM Cycle Time (Tras, Trc) 62 SDRAM Page Closing Policy 62 Sector 55 Settings Onboard Audio 20 SMART Monitoring 55
VCORE Voltage 73 VGA BIOS Sequence 67
Video Off Method 70 Video Off Option 70 Video ROM BIOS Shadow 68 VideoLive Mail 111 Installing 97 Using 111 Voltage ++3.+--VCORE 73
Wake On LAN 71 Wake On PS2 KB/PS2 Mouse/CIR 72 Wake On USB for STR State 72 Wake Up By Keyboard 72
YAMAHA SoftSynthesizer Installing 93

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2. FEA TURES Specifications
PC Health Monitoring: Provides an easy way to examine and manage system status information, such as CPU and systerm voltages, temperatures, and fan status through the onboard hardware ASUS ASIC and the bundled ASUS PC Probe or Intel LDCM software. CNR Support: A Communication and Networking Riser (CNR) slot provides an interface to support very affordable multichannel audio, V.90 analog modem, Home PNA, 10/100 Ethernet networking, and USB hub. PCI Expansion Slots: Provides six 32-bit PCI (PCI 2.2 compliant) expansion slots. All PCI slots can support Bus Master PCI cards, such as SCSI or LAN cards. (PCI supports up to 133MB/s maximum throughput.) Low Pin Count (LPC) Multi-I/O: Provides two high-speed UART compatible serial ports and one parallel port with EPP and ECP capabilities. UART2 can also be directed from COM2 to the Infrared Module for wireless connections. Enhanced ACPI & Anti-Boot Virus Protection: Programmable BIOS (Flash EEPROM), offering enhanced ACPI for Windows 98/2000/Millenium compatibility, built-in firmware-based virus protection, and autodetection of most devices for virtually automatic setup. Smart BIOS: The firmware hub gives a new easy-to-use interface which provides more control and protection over the motherboard. Provides Vcore and CPU/ SDRAM frequency adjustments, boot block write protection, and HD/SCSI/MO/ ZIP/CD/Floppy boot selection. Hardware random number generator supports new security software for data protection and secured Internet transactions. Concurrent PCI: Concurrent PCI allows multiple PCI transfers from PCI master busses to the memory and processor. Onboard LED: The onboard LED will light up when there is standby power to the motherboard. This acts as a reminder to the user to turn OFF the power before plugging and unplugging devices so as not to damage the motherboard, peripherals, and/or components. One Touch Management: Supports an optional ASUS iPanel, an easy to access box with system information LED display, front I/O ports, and space reserved for a hard disk drive. With an ASUS iPanel, you can monitor your computer systems vital components. SMBus: Features the System Management Bus interface, which is used to physically transport commands and information between SMBus devices. Personalized Boot Logo: Create unique boot up screens with this easy-to-use DOS utility. SmartCard Reader: Onboard header connects directly to a SmartCard reader for security and SmartCard memory chip editing.

2.1.3 Optional Components
The following onboard components are optional at the time of purchase: Onboard Audio: AC97 V2.1 compliant Audio Codec with 3D sound circuitry and sample rate conversion from 7kHz to 48kHz. UltraPerformance: Onboard IDE Bus Master controller with two connectors that support four IDE devices in two channels. Supports UltraDMA/100, UltraDMA/ 66, UltraDMA/33 (IDE DMA Mode 2), PIO Modes 3 & 4, and supports Enhanced IDE devices, such as DVD-ROM, CD-ROM, CD-R/RW, LS-120, and Tape Backup drives. High-Speed Data Transfer Interface: IDE transfers using UltraDMA/66 Bus Master IDE can handle rates up to 66.6MB/s. This motherboard with its chipset and support for UltraDMA/100 increases the data transfer rate to 100MB/s. UltraDMA/100 is backward compatible with DMA/66, DMA/33, and DMA and with existing DMA devices and systems so there is no need to upgrade current EIDE/IDE drives and host systems. (UltraDMA/66/100 requires a 40-pin 80conductor cable to be enabled.) Concurrent PCI: Concurrent PCI allows multiple PCI transfers from PCI master buses to memory and processor. SDRAM Optimized Performance: This motherboard supports PC133-compliant Synchronous Dynamic Random Access Memory (SDRAM), which increases the data transfer rate to 1066MB/s max. ACPI Ready: ACPI (Advanced Configuration and Power Interface) is also implemented on all ASUS smart series motherboards. ACPI provides more Energy Saving Features for future operating systems (OS) supporting OS Direct Power Management (OSPM) functionality. With these features implemented in the OS, PCs can be ready around the clock, yet satisfy all the energy saving standards. To fully utilize the benefits of ACPI, an ACPI-supported OS, such as Windows 98/2000/Millenium, must be used. Suspend and Go: Suspend-to-RAM (STR) provides maximum power savings as an alternative to leaving the computer ON and QuickStart so that you do not have to wait for a long time for system bootup. New Compliancy: Both the BIOS and hardware levels of the motherboard meet the stringent requirements for PC 99 certification. The new PC 99 requirements for systems and components are based on the following high-level goals: support for Plug and Play compatibility and power management for configuring and managing all system components, and 32-bit device drivers and installation procedures for Windows 95/98/NT and later. Color-coded connectors and descriptive icons make identification easy as required by PC 99. ASUS CUSL2-C Black Pearl Users Manual

2.1.4 Performance

2. FEA TURES Performance

2.1.5 Intelligence

Fan Status Monitoring and Alarm: To prevent system overheat and system damage, the CPU, power supply, and system fans can be monitored for RPM and failure. All the fans are set for its normal RPM range and alarm thresholds. Temperature Monitoring and Alert: To prevent system overheat and system damage, this motherboard supports processor thermal sensing and auto-protection. Voltage Monitoring and Alert: System voltage levels are monitored to ensure stable current to critical motherboard components. Voltage specifications are more critical for future processors, so monitoring is necessary to ensure proper system configuration and management. System Resources Alert: Todays operating systems, such as Windows 98/ Millenium, Windows NT/2000, require much more memory and hard drive space to present enormous user interfaces and run large applications. The onboard hardware ASUS ASIC in conjunction with either the bundled ASUS PC Probe or Intel LDCM will warn the user before the system resources are used up to prevent possible application crashes. Suggestions will give the user information on managing their limited resources more efficiently. Dual Function Power Button: Through BIOS, the power button can be defined as the Stand by (a.k.a. Suspend or Sleep) button or as the Soft-Off (see ATX Power / Soft-Off Switch Lead in 3.8 Connectors for more information) button. Regardless of the setting, pushing the power button for more than 4 seconds will enter the Soft-Off mode. Remote Ring On (requires modem): This allows a computer to be turned on remotely through an internal or external modem. With this benefit on-hand, users can access any information from their computers from anywhere in the world. Message LED (requires ACPI OS support): Message LEDs now act as information providers. Through the way a particular LED illuminates, the user can determine if a message has been received from a fax/modem. A simple glimpse provides useful information to the user. This function requires ACPI OS and driver support. Peripheral Power Up: Keyboard or Mouse power up can be enabled or disabled through BIOS setup to allow the computer to be powered ON using your keyboard or mouse click.

18 ASUS CUSL2-C Black Pearl Users Manual
3.3 Hardware Setup Procedure
Before using your computer, you must complete the following steps: Check Motherboard Settings Install Memory Modules Install the Central Processing Unit (CPU) Install Expansion Cards Connect Ribbon Cables, Panel Wires, and Power Supply

3.4 Motherboard Settings

WARNING! Computer motherboards and expansion cards contain very delicate Integrated Circuit (IC) chips. To protect them against damage from static electricity, you should follow some precautions whenever you work on your computer. 1. Unplug your computer when working on the inside. 2. Use a grounded wrist strap before handling computer components. If you do not have one, touch both of your hands to a safely grounded object or to a metal object, such as the power supply case. 3. Hold components by the edges and try not to touch the IC chips, leads or connectors, or other components. 4. Place components on a grounded antistatic pad or on the bag that came with the component whenever the components are separated from the system. 5. Ensure that the ATX power supply is switched off before you plug in or remove the ATX power connector on the motherboard. WARNING! Make sure that you unplug your power supply when adding or removing system components. Failure to do so may cause severe damage to your motherboard, peripherals, and/or components. The onboard LED when lit acts as a reminder that the system is in suspend or soft-off mode and not powered OFF.

ON Standby Power

OFF Powered Off

CUSL2-C BP Onboard LED

3. H/W SETUP Motherboard Settings
Motherboard Feature Settings The motherboards onboard functions are either adjusted through jumpers or DIP switches. When using DIP switches, the white block represents the switchs position. The example below shows all the switches in the OFF position.

CUSL2-C BP DIP Switches

1. Frequency Selection 2. Frequency Selection 3. Frequency Selection 4. Frequency Selection 5. Frequency Selection.

Disable

Enable(default) 2 3
CUSL2-C BP JumperFree Mode Setting
1) JumperFree Mode (JEN) This jumper allows you to enable or disable the JumperFree mode. The JumperFree mode allows processor settings to be made through the BIOS setup (see 4.4 Advanced Menu). NOTE: In JumperFree mode, all dip switches must be set to OFF. Setting JEN Disable (Jumper) [1-2] Enable (JumperFree) [2-3] (default)

CPU 66.8MHz DRAM 100.2MHz AGP 66.8MHz
100.3MHz 100.3MHz 66.8MHz
103.0MHz 133.70MHz 103.0MHz 100.30MHz 68.7MHz 66.85MHz
CUSL2-C BP CPU External Clock (BUS) Frequency Selection

CPU DRAM AGP

140MHz 133.70MHz 105MHz 133.70MHz 70MHz 66.85MHz

140MHz 140MHz 70MHz

(JumperFree Mode)
NOTE: If your processor does not have a locked Frequency Multiple, you must use CPU Core:Bus Freq. Multiple in 4.4 Advanced Menu to set the Frequency Multiple. If the Frequency Multiple is locked, setting the Frequency Multiple in BIOS setup will have no effect.
External Frequency Table The following table is for use by experienced motherboard installers only. Overclocking can result in system instability or even shortening the life of the processor. CPU:DRAM CPU SDRAM Ratio (MHz) (MHz) 66:100 66:100 66:100 66:100 66:100 66:100 66:100 66:100 100:100 100:100 100:100 100:100 100:100 100:100 100:100 100:100 133:133 133:133 133:133 133:133 133:133 133:133 133:133 133:133 133:100 133:100 133:100 133:100 133:100 133:100 133:100 133:100 64.4 60.0 66.0 68.3 70.0 75.0 80.0 83.0 99.6 90.0 100.0 103.0 105.0 110.0 115.0 200.0 132.8 166.6 133.0 137.0 140.0 145.0 150.0 160.0 132.8 166.6 133.0 137.0 140.0 145.0 150.0 160.0 99.6 90.0 100.0 102.5 105.0 112.5 120.0 124.5 99.6 90.0 100.0 103.0 105.0 110.0 115.0 200.0 132.8 166.6 133.0 137.0 140.0 145.0 150.0 160.0 99.6 125.0 100.0 102.8 105.0 108.8 112.5 120.0 Frequency Selection Switches 5 [O N ] [O N ] [O N ] [O N ] [O N ] [O N ] [O N ] [O N ] [O N ] [O N ] [O N ] [O N ] [O N ] [O N ] [O N ] [O N ] [OFF] [OFF] [OFF] [OFF] [OFF] [OFF] [OFF] [OFF] [OFF] [OFF] [OFF] [OFF] [OFF] [OFF] [OFF] [OFF] [O N ] [O N ] [O N ] [O N ] [O N ] [O N ] [O N ] [O N ] [O FF] [O FF] [O FF] [O FF] [O FF] [O FF] [O FF] [O FF] [ON] [ON] [ON] [ON] [ON] [ON] [ON] [ON] [OFF] [OFF] [OFF] [OFF] [OFF] [OFF] [OFF] [OFF] [O N ] [O N ] [O N ] [O N ] [O FF] [O FF] [O FF] [O FF] [O N ] [O N ] [O N ] [O N ] [O FF] [O FF] [O FF] [O FF] [O N] [O N] [O N] [O N] [O FF] [O FF] [O FF] [O FF] [O N ] [O N ] [O N ] [O N ] [O FF] [O FF] [O FF] [O FF] [O N ] [O N ] [O FF] [O FF] [O N ] [O N ] [O FF] [O FF] [O N ] [O N ] [O FF] [O FF] [O N ] [O N ] [O FF] [O FF] [O N ] [O N ] [O FF] [O FF] [O N ] [O N ] [O FF] [O FF] [O N ] [O N ] [O FF] [O FF] [O N ] [O N ] [O FF] [O FF] [O N ] [O FF] [O N ] [O FF] [O N ] [O FF] [O N ] [O FF] [O N ] [O FF] [O N ] [O FF] [O N ] [O FF] [O N ] [O FF] [O N ] [O FF] [O N ] [O FF] [O N ] [O FF] [O N ] [O FF] [O N ] [O FF] [O N ] [O FF] [O N ] [O FF] [O N ] [O FF]
For updated processor settings, visit ASUSs web site (see ASUS CONTACT INFORMATION)

3.5 System Memory (DIMM)

NOTE: No hardware or BIOS setup is required after adding or removing memory. This motherboard uses only Dual Inline Memory Modules (DIMMs). Sockets are available for 3.3Volt (power level) unbuffered Synchronous Dynamic Random Access Memory (SDRAM). One side (with memory chips) of the DIMM takes up one row on the motherboard. Memory speed setup is recommended through SDRAM Configuration in 4.4.1 Chip Configuration. Install memory in any combination as follows:

CUSL2-C BP SmartCard Connector

SIR CIR

NC GND NC CIRRX +5VSB
NC GND NC CIRRX +5VSB CHASSIS# EXTSMI# +5V MLEDPCIRST# BATT NC
Standard Infrared (SIR) Front View Back View
VCC NC SCRFET# SCRCLK RFU1 GND NC2 LED NC SCRREST RFU2 SCRUI SCRRES#
14) SMB Connector (5-1 pin SMB) This connector allows you to connect SMBus (System Management Bus) devices. SMBus devices communicate by means of the SMBus with an SMBus host and/or other SMBus devices. SMBus is a specific implementation of an I2C bus, which is a multi-device bus; that is, multiple chips can be connected to the same bus and each one can act as a master by initiating data transfer.

Ground SMBCLK

SMBDATA +5V 1

CUSL2-C

CUSL2-C SMBus Connector
15) Chassis Intrusion Lead (2-pin ACHA) This lead is for a chassis designed for chassis intrusion detection. After-market toggle switches may also be installed to the chassis panel or on any removable components. Two wires should be available from the chassis to connect to this lead. When any chassis component is removed, the contact should open and the motherboard will record a chassis intrusion event. The event can then be processed by software such as LDCM. If the chassis intrusion lead is not used, a jumper cap must be placed over the pins to close the circuit.
CUSL2-C BP Chassis Open Alarm Lead
16) Wake-On-LAN Connector (3-pin WOL_CON) This connector connects to a LAN card with a Wake-On-LAN output, such as the ASUS PCI-L101 Ethernet card (see 7. Appendix). The connector powers up the system when a wakeup packet or signal is received through the LAN card. IMPORTANT: This feature requires that Wake On LAN or PCI Modem is enabled (see 4.5.1 Power Up Control) and that your system has an ATX power supply with at least 720mA +5V standby power.
IMPORTANT: Requires an ATX power supply with at least 720mA +5 volt standby power

WOL_CON

+5 Volt Standby PME Ground
CUSL2-C BP Wake-On-LAN Connector
17) Wake-On-Ring Connector (2-pin WOR_CON) This connector connects to internal modem cards with a Wake-On-Ring output. The connector powers up the system when a ringup packet or signal is received through the internal modem card. NOTE: For external modems, Wake-On-Ring is detected through the COM port. IMPORTANT: This feature requires that Wake On LAN or PCI Modem is enabled (see 4.5.1 Power Up Control) and that your system has an ATX power supply with at least 720mA +5V standby power.

WOR_CON

Ring# Ground
CUSL2-C BP Wake-On-Ring Connector
18) USB Headers (5-pin USB2, 5-pin USB56) If the USB ports on the back panels are inadequate, two USB headers are available for two additional USB ports. Connect the 5-pin ribbon cables from the provided 2-port USB connector set to the two midboard 5-pin USB headers and mount the USB connector set to an open slot on your chassis.

Reset Ground

3.9 Starting Up the First Time
1. After all connections are made, close the system case cover. 2. Be sure that all switches are off (in some systems, marked with ), and the power input voltage is set to comply with the standard used in your country (220V-240V or 110-120V). 3. Connect the power supply cord into the power supply located on the back of your system case according to your system users manual. 4. Connect the power cord into a power outlet that is equipped with a surge protector. 5. You may then turn on your devices in the following order: a. Your monitor b. External SCSI devices (starting with the last device on the chain) c. Your system power. For ATX power supplies, you need to switch on the power supply as well as press the ATX power switch on the front of the case. 6. The power LED on the front panel of the system case will light. For ATX power supplies, the system LED will light when the ATX power switch is pressed. The LED on the monitor may light up or switch between orange and green after the systems if it complies with green standards or if it has a power standby feature. The system will then run power-on tests. While the tests are running, the BIOS will alarm beeps or additional messages will appear on the screen. If you do not see anything within 30 seconds from the time you turn on the power, the system may have failed a power-on test. Recheck your jumper settings and connections or call your retailer for assistance.

Award BIOS Beep Codes

Beep One short beep when displaying logo Long beeps in an endless loop One long beep followed by three short beeps High frequency beeps when system is working Meaning No error during POST No DRAM installed or detected Video card not found or video card memory bad CPU overheated System running at a lower frequency

3. H/W SETUP Powering Up

7. During power-on, hold down <Delete> to enter BIOS setup. Follow the instructions in 4. BIOS SETUP. * Powering Off your computer: You must first exit or shut down your operating system before switching off the power switch. For ATX power supplies, you can press the ATX power switch after exiting or shutting down your operating system. If you use Windows 9X, click the Start button, click Shut Down, and then click Shut down the computer? The power supply should turn off after Windows shuts down. NOTE: The message You can now safely turn off your computer will not appear when shutting down with ATX power supplies.

6. When prompted to confirm the BIOS update, press Y to start the update.
7. The utility starts to program the new BIOS information into the flash ROM. The boot block will be updated automatically only when necessary. This will minimize the chance that a failed update will prevent your system from booting up. When the programming is finished, Flashed Successfully will be displayed.
NOTE: When you see the message Boot Block is different, you may still press <Y> to update the BIOS. Yet if the update fails, your system will run a greater risk of boot failure depending on whether the boot block is damaged or not.
8. Follow the onscreen instructions to continue.
WARNING! If you encounter problems while updating the new BIOS, DO NOT turn off your system since this might prevent your system from booting up. Just repeat the process, and if the problem still persists, update the original BIOS file you saved to disk above. If the Flash Memory Writer utility was not able to successfully update a complete BIOS file, your system may not be able to boot up. If this happens, your system will need servicing.
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4.2 BIOS Setup Program

This motherboard supports a programmable EEPROM that can be updated using the provided utility as described in 4.1 Managing and Updating Your BIOS. The utility is used if you are installing a motherboard, reconfiguring your system, or prompted to Run Setup. This section describes how to configure your system using this utility. Even if you are not prompted to use the Setup program, at some time in the future you may want to change the configuration of your computer. For example, you may want to enable the Security Password Feature or make changes to the power management settings. It will then be necessary to reconfigure your system using the BIOS Setup program so that the computer can recognize these changes and record them in the CMOS RAM of the EEPROM. The EEPROM on the motherboard stores the Setup utility. When you start up the computer, the system provides you with the opportunity to run this program. This appears during the Power-On Self Test (POST). Press <Delete> to call up the Setup utility. If you are a little bit late in pressing the mentioned key, POST will continue with its test routines, thus preventing you from calling up Setup. If you still need to call Setup, restart the system by pressing <Ctrl> + <Alt> + <Delete>, or by pressing the Reset button on the system chassis. You can also restart by turning the system off and then back on again. But do so only if the first two methods fail. The Setup program has been designed to make it as easy to use as possible. It is a menu-driven program, which means you can scroll through the various sub-menus and make your selections among the predetermined choices. To access the BIOS Setup program, press the <Delete> key after the computer has run through its POST.

Short solder points to Clear CMOS

CUSL2-C BP Clear RTC RAM

Halt On [All Errors] This field determines which types of errors will cause the system to halt. Configuration options: [All Errors] [No Error] [All but Keyboard] [All but Disk] [All but Disk/Keyboard] Installed Memory [XXX MB] This display-only field displays the amount of conventional memory detected by the system during bootup. You do not need to make changes to this field. ASUS CUSL2-C Black Pearl Users Manual 57

4.4 Advanced Menu

CPU Internal Frequency In JumperFree Mode, this field allows you to select the internal frequency of your CPU. Select [Manual] if you want to make changes to the subsequent 2 fields. Note that selecting a frequency higher than the CPU manufacturer recommends may cause the system to hang or crash. See System Hangup on page 60.
4. BIOS SETUP Advanced Menu
CPU Frequency Multiple (When CPU Internal Frequency is set to [Manual]) This field sets the frequency multiple between the CPUs internal frequency and external frequency. In JumperFree Mode, when CPU Internal Frequency is set to [Manual], this must be set in conjunction with FSB/ SDRAM Freq. (MHz) to match the internal frequency of your CPU. Configuration options vary according to the external frequency of your CPU. FSB:SDRAM:PCI Freq. Ratio (When CPU Internal Frequency is set to [Manual]) This field determines the frequency ratio among the Front Side Bus, SDRAM, and PCI bus. You may set the memory clock frequency in synchronous or asynchronous mode with respect to the Front Side Bus frequency. Configuration options: [66:100:33] [100:100:33] [133:133:33] [133:100:33] FSB/SDRAM/PCI Freq. (MHz)
(When CPU Internal Frequency is set to [Manual])
According to the previous setup field FSB:SDRAM:PCI Freq. Ratio, this field offers 32 sets of Front Side Bus, SDRAM, and PCI bus frequencies for you to choose.
Available options when FSB:SDRAM:PCI Freq. Ratio is set to [133:133:33]
CPU Vcore In JumperFree mode, this field displays the core voltage supplied to the CPU. If you want to set it manually, always refer to the CPU documentation. The picture shown here provides only an example of possible Vcore ranges. CPU Level 1 Cache, CPU Level 2 Cache [Enabled] These fields allow you to choose from the default of [Enabled] or choose [Disabled] to turn on or off the CPUs Level 1 and Level 2 built-in cache. Configuration options: [Disabled] [Enabled] CPU Level 2 Cache ECC Check [Disabled] This function controls the ECC capability in the CPU level 2 cache. Configuration options: [Disabled] [Enabled] Processor Serial Number [Disabled] The Processor Serial Number is a unique number that is added to every Pentium III processor to help verify the identity of the user across the Internet. Set this field to [Enabled] when you need increased security for doing business online or e-commerce. Otherwise, leave it to its default setting of [Disabled] for greater anonymity when surfing the Internet. NOTE: This field is available only when a Pentium III processor is installed in your system. BIOS Update [Enabled] This functions as an update loader integrated into the BIOS to supply the processor with the required data. In the default position of [Enabled], the BIOS will load the update on all processors during system bootup. Configuration options: [Disabled] [Enabled] PS/2 Mouse Function Control [Auto] The default of [Auto] allows the system to detect a PS/2 mouse on startup. If detected, IRQ12 will be used for the PS/2 mouse. IRQ12 will be reserved for expansion cards only if a PS/2 mouse is not detected. [Enabled] will always reserve IRQ12, whether on startup a PS/2 mouse is detected or not. Configuration options: [Enabled] [Auto] USB Legacy Support [Auto] This motherboard supports Universal Serial Bus (USB) devices. The default of [Auto] allows the system to detect a USB device on startup. If detected, USB controller legacy mode will be enabled. If not detected, USB controller legacy mode will be disabled. When this field is set to [Disabled], USB controller legacy mode is disabled no matter whether you are using a USB device or not. Configuration options: [Disabled] [Enabled] [Auto] OS/2 Onboard Memory > 64M [Disabled] When using OS/2 operating systems with installed DRAM of greater than 64MB, you need to set this option to [Enabled]; otherwise, leave this on [Disabled]. Configuration options: [Disabled] [Enabled] ASUS CUSL2-C Black Pearl Users Manual 59

4.5.2 Hardware Monitor

MB Temperature [xxxC/xxxF] CPU Temperature [xxxC/xxxF] JTPWR Temperature [Ignore] The onboard hardware monitor is able to detect the MB (motherboard) and CPU temperatures. Set to [Ignore] only if necessary.
VCORE1 Voltage, +3.3V Voltage, +5V Voltage, +12V Voltage, -12V Voltage, -5V Voltage [xx.xV] The onboard hardware monitor is able to detect the voltage output by the onboard voltage regulators. Set to [Ignore] only if necessary. NOTE: If any of the monitored items is out of range, an error message will appear: Hardware Monitor found an error. Enter Power setup menu for details. You will then be prompted to Press F1 to continue, DEL to enter SETUP.
4. BIOS SETUP Hardware Monitor
CPU Fan Speed [xxxxRPM] Power Fan Speed [xxxxRPM] Chassis Fan Speed [xxxxRPM] The onboard hardware monitor is able to detect the CPU, power supply, and chassis fan speeds in rotations per minute (RPM). The presence of the fans is automatically detected. Set to [Ignore] only if necessary.

4.6 Boot Menu

Boot Sequence
The Boot menu allows you to select among the four possible types of boot devices listed using the up and down arrow keys. By using the <+> or <Space> key, you can promote devices and by using the <-> key, you can demote devices. Promotion or demotion of devices alters the priority which the system uses to search for a boot device on system power up. Configuration fields include Removable Devices, IDE Hard Drive, ATAPI CD-ROM, and Other Boot Device. Removable Device [Legacy Floppy] Configuration options: [Disabled] [Legacy Floppy] [LS120] [ZIP-100] [ATAPI MO] IDE Hard Drive This field allows you to select which IDE hard disk drive to use in the boot sequence. Pressing [Enter] will show the product IDs of all connected IDE hard disk drives. ATAPI CD-ROM This field allows you to select which ATAPI CD-ROM drive to use in the boot sequence. Pressing [Enter] will show the product IDs of all your connected ATAPI CD-ROM drives. Other Boot Device Select [INT18 Device (Network)] Configuration options: [Disabled] [SCSI Boot Device] [INT18 Device (Network)] [LANDesk (R) Service Agent]

4. BIOS SETUP Boot Menu

Plug & Play O/S [No] This field allows you to use a Plug-and-Play (PnP) operating system to configure the PCI bus slots instead of using the BIOS. When [Yes] is selected, interrupts may be reassigned by the OS. When a non-PnP OS is installed or you want to prevent reassigning of interrupt settings, select the default setting of [No]. Configuration options: [No] [Yes] Boot Virus Detection [Enabled] This field allows you to set boot virus detection, ensuring a virus-free boot sector. The system halts and displays a warning message when it detects a virus. If this occurs, you can either allow the operation to continue or use a virus-free bootable floppy disk to restart and investigate your system. Configuration options: [Disabled] [Enabled] Quick Power On Self Test [Enabled] This field speeds up the Power-On-Self Test (POST) routine by skipping retesting a second, third, and fourth time. Configuration options: [Disabled] [Enabled] Boot Up Floppy Seek [Enabled] When enabled, the BIOS will seek the floppy disk drive to determine whether the drive has 40 or 80 tracks. Configuration options: [Disabled] [Enabled] Full Screen Logo [Enabled] When enabled, the personalized boot logo is functional. Configuration options: [Enabled] [Disabled]

4.7 Exit Menu

Once you have made all of your selections from the various menus in the Setup program, you should save your changes and exit Setup. Select Exit from the menu bar to display the following menu:
NOTE: Pressing <Esc> does not exit this menu. You must select one of the options from this menu or <F10> from the legend bar to exit this menu.

4. BIOS SETUP Exit Menu

Exit Saving Changes
Once you are finished making your selections, choose this option from the Exit menu to ensure the values you selected are saved to the CMOS RAM. The CMOS RAM is sustained by an onboard backup battery and stays on even when the PC is turned off. Once this option is selected, a confirmation is asked. Select [Yes] to save changes and exit. NOTE: If you attempt to exit the Setup program without saving your changes, the program will prompt you with a message asking if you want to save your changes before exiting. Pressing <Enter> will then save changes while exiting.

Exit Discarding Changes

This option should only be used if you do not want to save the changes you have made to the Setup program. If you have made changes to fields other than system date, system time, and password, the system will ask for confirmation before exiting.

Load Setup Defaults

This option allows you to load the default values for each of the parameters on the Setup menus. When this option is selected or if <F5> is pressed, a confirmation is requested. Select [Yes] to load default values. You can now select Exit Saving Changes or make other changes before saving the values to the non-volatile RAM.

Discard Changes

This option allows you to discard the selections you made and restore the values you previously saved. After selecting this option, a confirmation is requested. Select [Yes] to discard any changes and load the previously saved values.

Save Changes

This option saves your selections without exiting the Setup program. You can then return to other menus and make changes. After selecting this option, all selections are saved and a confirmation is requested. Select [Yes] to save any changes to the non-volatile RAM.

Click the Add New button and then select the type of card you want to use. Insert the Smart Card into the card reader, then enter your name and any remarks into the fields. Click OK.
The Smart Card Reader detects and automatically records the encrypted ID on the mini-chip in the card. The software registers the smart card for security capability and prompts you to click OK. The cards security status is displayed in the main program window.
6.1.3 Smart Manager Modes
Return to the Windbond Smart Manager icon on the bottom right hand corner of the Windows screen. Select the Logon Card Check Mode to choose the security mode that you prefer. Three basic modes are available:
1. Disable Check renders the Smart Manager security system inoperative. 2. Boot Check enables the Smart Manager security system for start up. The user must insert the Smart Card into the reader during start up in order to complete the Windows boot up process. In this mode, the user may remove the Smart Card and continue to use the PC after the start cycle is complete. If no Smart Card, or the wrong one, is inserted during boot up, the PC displays the Smart Manager protection screen:
When the PC displays the Smart Manager protection screen, the computer is secured, inoperative and impenetrable.
3. Always Check configures the Smart Manager to require that the user insert the card during start up: then, if the card is removed at any time during the operation of the PC, the Smart Manager protection screen will automatically pop up and the PC is secure until the card is reinserted. File Protect Check Mode: This is a sub-program used to encrypt and decode individual files stored in the system using a Smart Card key. NOTE: Do take care not to lose your Smart Card or you may not be able to restart the PC or decode encrypted files. Test each new Smart Card to ensure that it is completely compatible with the card reader; the Read2-In-01 Smart Card Reader is designed only to read cards with the standard PC/SC mini-chip configuration.

SmartCard

6.2 ASUS PC Probe
ASUS PC Probe is a convenient utility to continuously monitor your computer systems vital components, such as fan rotations, V oltages, and temperatures. It also has a utility that lets you review useful information about your computer, such as hard disk space, memory usage, and CPU type, CPU speed, and internal/external frequencies through the DMI Explorer.
6.2.1 Starting ASUS PC Probe

LiveUpdate

ASUS LiveUpdate is a utility that allows you to update your motherboards BIOS and drivers. The use of this utility requires that you are properly connected to the Internet through an Internet Service Provider (ISP). 1. Start ASUS Update. Launch the utility from Start | Programs | ASUS Utility | ASUS LiveUpdate.
2. Select an update method.
3. If you selected updating/downloading from the Internet, you will need to select an Internet site. Choose the site that is closest to you or click Auto Select.
If you selected Update from a file, you will be prompted to locate the file.

6.3 ASUS LiveUpdate

93 CyberLink PowerPlayer SE is an intelligent software player that can automatically detect and playback all kinds of video/audio files, CD and MP3 files as well. This is the only software you need for all types of video and audio files. No need to waste time identifying your file types.
6.5.1 Starting CyberLink PowerPlayer SE
To start CyberLink Power Player, click the Windows Start button, point to Programs, and then CyberLink PowerPlayer SE, and then click PowerPlayer.
6.5.2 CyberLink PowerPlayer Control Panel
Minimize Zoom About Eject Help Power Off
Stop Backward Scan Backstep Frame Previous Stop Forward Scan Step Frame Next Play
Configuration i-Power! CD Mode Shuffle
Increase Volume Mute Decrease Volume

Karaoke

Next angle

Next audio stream

Next subtitle

Add bookmark

Capture frame

Repeat

Go to bookmark

PowerPlayer SE

6.5 CyberLink PowerPlayer SE

6.6 CyberLink PowerDVD

CyberLink PowerDVD is the flagship of CyberLinks complete range of video and audio software products. It features unrivaled functions allowing users to view high quality video and media-rich DVD contents on the personal computer. With the iPower Internet Enabling feature, PowerDVD opens DVD enthusiasts to on-line DVD resources via the PowerDVD Desktop Portal Page.

Power DVD

6.6.1 Starting CyberLink PowerDVD
To start CyberLink PowerDVD, click the Windows Start button, point to Programs, and then CyberLink PowerDVD, and then click PowerDVD.
6.6.2 CyberLink PowerDVD User Interface

Main Display

Minimize Exit

Control Panel (closed)

Full Screen / CD/File Control Video Window Mode Wheel Functions

Help Eject

6.7 CyberLink VideoLive Mail
CyberLinks VideoLive Mail Plus Ver 3.0 (a.k.a. VLM 3) is a convenient and excellent way to create professional quality video mails from PC video/audio input devices and to send the mails to any recipients via VLM 3s built-in e-mail system through the Internet. VLM 3s mails comprise video, sound, or snapshot information; and thus may convey the most profound information to target audiences. It is very convenient for mail recipients who do not need to install additional software component in order to view VLM 3 mails. VLM 3 works as a very applicant sales tool. It efficiently delivers profound and live product information to your target customers without costing a fortune. VLM 3 also helps corporate managers easily give vivid speeches and broadcast through corporate E-mail system. For personal or home users, VLM 3 easily records live video clips allowing users to send them to friends or family members across the Internet. VLM 3 loads video messages from PC cameras, digital camcorders, analog camcorder via video capture cards, or from an existing AVI video clips, and captures audio messages from PC microphones. Video and audio messages are encoded at a very high compressed rate in a real-time mode. From data input, data conversion, to sending video mails via Internet, or saving data to disks, the whole procedure is done in an easy and continuous process. VLM 3s video clip compression rate is up to 1:900, and its playback rate is up to 30 frame per second. VLM 3 provides CIF (352 x 288 pixel) display resolution, and support true color configuration. A one-minute video mail with QCIF (176 x 144) resolution takes up less than 500KB of memory, making it easy to transmit and save mail. Users may always adjust resolution and recording parameters for different purpose. VLM 3 supports all the hardware devices that are compliant with Video for Windows standard. Video for Windows is a well-accepted and well-tested standard. Thus, users do not have to worry about compatibility issues.

AC PWR Loss Restart 71 Accelerated Graphics Port 31 Accessories Fast Ethernet Card 97 AGP 31 AGP Slots 31 ASUS PC Probe Using 83, 86 ATAPI CD-ROM 74 Audio Port Connectors 34 Automatic Power Up 72 Cylinders 54

Discard Changes 77

ECP DMA Select 65 Ethernet Card 97 Exit Discarding Changes 76 Exit Saving Changes 76 Expansion Cards AGP Pro 31 Assigning IRQs 29
BIOS Beep Code 43 BIOS Beep Codes 43 Boot Sequence 74 Boot Up Floppy Seek 75 Boot Up NumLock Status 56 Boot Virus Detection 75
Floppy 3 Mode Support 52 Floppy Disk Access Control 64
Glossary 99 Graphics Window Size 62
Central Processing Unit 28 CHS Capacity 55 Command Per Cycle 62 Connectors Audio Port 34 Joystick 34 MIDI 34 CPU Latency Timer 62 CyberLink PowerDVD 94 PowerPlayer SE 93 VideoLive Mail 95 CyberLink PowerDVD Using 94 CyberLink PowerPlayer SE Using 93 CyberLink VideoLive Mail Using 95
Halt On 57 Hardware Setup CPU Installation 28 Memory Installation 27 HDD Power Down 70 Head 55 High Priority PCI Mode 63
IDE Hard Drive 74 Image Library 9 Installation CPU 28
Installed Memory 57 Interrupts Standard Assignments 29 Personalized Boot Logo 9 Using 82 PIO Mode 55 Plug & Play O/S 75 Power Fan Speed 73 Power Management 69 PowerDVD 94 Using 94 PowerPlayer SE Using 93 Procedure CPU Installation 28 Procedures Updating BIOS 46 Processor Serial Number 59 PWR Button < 4 Secs 70 PWR Up On Modem Act 71

Joystick Connector 34

Language 57 Legacy Diskette A 52 Legacy Diskette B 52 LiveUpdate Using 90 Load Setup Defaults 77
Maximum LBA Capacity 55 MB Temperature 73 Memory Installation 27 MIDI Connector 34 Multi-Sector Transfers 55
Quick Power On Self Test 75

Removable Device 74

Onboard CIR I/O 65 Onboard FDC Swap A & B 64 Onboard MIDI IRQ 65 Onboard Parallel Port 65 Onboard PCI IDE Enable 63 Onboard Serial Port Onboard Serial Port OS/2 Onboard Memory > 64M 59 Other Boot Device Select 74
Save Changes 77 SDRAM Cycle Time 62 RAS Precharge Time 62 SDRAM CAS Latency 61 SDRAM Configuration 61 SDRAM Cycle Time 62 SDRAM Cycle Time (Tras, Trc) 62 SDRAM Page Closing Policy 62 Sector 55 Smart Card Reader 8 SMART Monitoring 55 Starting Up 43 Supervisor Password 57 Suspend Mode 70 Suspend-to-RAM Capability 70
Parallel Port Mode 65 PC Probe Using 83, 86 PCI 2.1 Support 63 PCI Latency Timer 66 PCI/VGA Palette Snoop 66

 

Technical specifications

Full description

ASUS provides leading-edge technology and best-value solutions at highest quality to all its customers. ASUS CUSL2-C mainboard is based on the new Intel 815EP chipset with ATX form factor for the latest support of Intel Pentium III Coppermine, and FC-PGA Celeron processors. It has no support for PPGA Celeron processors. This chipset is equipped with 133MHz Front Side Bus (FSB) and provides support both for PC133/PC100 SDRAM, AGP Pro/4X, and UltraATA100 Bus Master IDE. Other features like Suspend-to-RAM, JumperFree Mode and PC Health Monitoring will ensure your PC with maximum power saving, ease of overclocking, and system safety.

General
Product TypeMotherboard
Form FactorATX
Width8.2 in
Depth12 in
Compatible ProcessorsCeleron, Pentium III
Processor SocketSocket 370
Max Processor Speed1 GHz
Chipset TypeIntel 815EP
Max Bus Speed133 MHz
BIOS TypeAward
Storage ControllerATA-100
Processor
TypeIntel plug-in module
Installed Qty (Max Supported)0 ( 1 )
Memory
Supported RAM TechnologySDRAM
Supported RAM Integrity CheckNon-ECC
RAM Installed ( Max )0 MB / 512 MB (max) - DIMM 168-pin
RAM TechnologySDRAM
Expansion / Connectivity
Expansion Slot(s)1 ( 1 ) x processor - Socket 370 3 ( 3 ) x memory - DIMM 168-pin 4 ( 4 ) x AGP - full-length 6 ( 6 ) x PCI - full-length 1 ( 1 ) x CNR
Storage InterfacesATA-100 - connector(s): 1 x 40pin IDC
Interfaces2 x USB - 4 pin USB Type A 2 x serial - RS-232 - 9 pin D-Sub (DB-9) 1 x parallel - IEEE 1284 (EPP/ECP) - 25 pin D-Sub (DB-25) 1 x keyboard - generic - 6 pin mini-DIN (PS/2 style) 1 x mouse - generic - 6 pin mini-DIN (PS/2 style) 1 x storage - floppy interface - 34 pin IDC
Miscellaneous
Compliant StandardsPlug and Play
Package TypeRetail
Manufacturer Warranty
Service & Support1 year warranty
Service & Support DetailsLimited warranty - parts and labor - 1 year - carry-in
Universal Product Identifiers
BrandASUSTeK COMPUTER
Part NumbersCUSL2-C, CUSL2-C/533/WOA/6P11, CUSL2-C/533/WOA/6P1I

 

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