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Asus A7V400-mx SE Manual

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User reviews and opinions

Comments to date: 1. Page 1 of 1. Average Rating:
svenali 8:51pm on Thursday, April 22nd, 2010 
i would keep on buying this board for 500MHz upgrade to amd 1.4+ or so ... While the board work out great. I would have rated this board much lower than a 5.

Comments posted on are solely the views and opinions of the people posting them and do not necessarily reflect the views or opinions of us.




This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with manufacturers instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment to an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. The use of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regulations. Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the users authority to operate this equipment.
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.

Safety information

Electrical safety
To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device. Before connecting or removing signal cables from the motherboard, ensure that all power cables are unplugged. Seek professional assistance before using an adpater or extension cord. These devices could interrupt the grounding circuit. Make sure that your power supply is set to the correct voltage in your area. If you are not sure about the voltage of the electrical outlet you are using, contact your local power company. If the power supply is broken, do not try to fix it by yourself. Contact a qualified service technician or your retailer.

Expansion slots IDE Graphics Audio LAN IEEE 1394 Hardware monitoring Rear panel I/O ports

Internal connectors

(continued next page)
BIOS features Industry standard Manageability
2Mb Flash EEPROM, Phoenix Award BIOS, ACPI, DMI2.0, Green, PnP features, TCAV, CrashFree BIOS PCI 2.2, USB 2.0/1.1 WOR, WOL, Wake on KB/Mouse WO_USB (Wake on USB) from S1, S3, and S4 Chassis intrusion Device drivers ASUS PC Probe ASUS Screensaver Award BIOS Flash Utility Adobe Acrobat Reader Trend Micro PC-cillin 2002 User Guide ASUS A7V400-MX support CD UltraATA cable FDD cable I/O shield Micro-ATX form factor: 9.6 in x 9.6 in

Support CD contents


Form Factor

* Specifications are subject to change without notice.

Chapter 1

This chapter describes the features of the motherboard. It includes brief descriptions of the motherboard components, and illustrations of the layout, jumper settings, and connectors.

Product introduction

Thank you for buying the ASUS A7V400-MX motherboard! The ASUS A7V400-MX motherboard comes with the most advanced technologies to deliver maximum performance for Socket A processors. This motherboard comes with value-added features for guaranteed consumer satisfaction. The following sections provide important technical information about the motherboard for future upgrades or system reconfiguration. Before you start installing the motherboard and hardware devices on it, check the items in your package with the list below.

Package contents

ASUS A7V400-MX motherboard.(Micro-ATX form factor: 9.6 in x 9.6 in) ASUS A7V400-MX support CD 40-pin 80-conductor ribbon cable for UltraATA133 IDE drives Ribbon cable for a 3.5-inch floppy drive Bag of extra jumper caps I/O shield User Guide
Contact your retailer if any of the items is damaged or missing.
Check your motherboard package for the following items.

Special features

1.3.1 Product highlights
400MHz FSB support for Athlon XP processors
The motherboard motherboard supports 400MHz front side bus frequency for Athlon XP processors allowing increased application productivity and enhanced digital multimedia experience. See page 1-7.

Integrated graphics

This motherboard comes with an integrated VIA Unichrome 2D/3D graphics core allowing efficient execution of multimedia applications and playback support for DVD video.

Integrated 10/100 LAN

Integrated in this motherboard is a 10/100Mbps Fast Ethernet controller to give you a fast and reliable connection to a local area network (LAN) and the Internet. See page 1-16.

USB 2.0 technology

The motherboard implements the Universal Serial Bus (USB) 2.0 specification, dramatically increasing the connection speed from the 12 Mbps bandwidth on USB 1.1 to a fast 480 Mbps on USB 2.0. USB 2.0 is backward compatible with USB 1.1. See page 1-16 and page 1-19.

Digital audio support

A Sony/Philips Digital Interface (S/PDIF) connector is onboard to give you convenient connectivity to external home theater audio systems. The S/PDIF technology allows direct digital audio transfers keeping the best signal quality.
SoundMAX Digital Audio System
The SoundMax Digital Audio System is the industrys highest performance and most reliable audio solution for business professionals, audiophiles, musicians, and gamers. SoundMAX Digital Audio System can output 5.1 channel surround and features state-of-the-art DLS2 MIDI synthesizer with Yamaha DLSbyXG sound set, 5.1 Virtual Theater and supports all major game audio technologies including Microsoft DirectX8.0, Microsoft DirectSound 3D, A3D, MacroFX, ZoomFX, MultiDrive 5.1 and EAX.
1.3.2 ASUS unique features


The ASUS C.O.P. (CPU Overheating Protection) is a hardware protection circuit that automatically shuts down the system power before temperatures go high enough to permanently damage the CPU. See page 2-23.


CrashFree BIOS allows users to restore BIOS data from a floppy disk even when BIOS code and data are corrupted. Users can now enjoy this feature without the need to buy a new ROM. See page 2-4.
ASUS A7V400-MX motherboard user guide

Before you proceed

Take note of the following precautions before you install motherboard components or change any motherboard settings.
Unplug the power cord from the wall socket before touching any component. Use a grounded wrist strap or touch a safely grounded object or to a metal object, such as the power supply case, before handling components to avoid damaging them due to static electricity. Avoid touching the ICs on components. Whenever you uninstall any component, place it on a grounded antistatic pad or in the bag that came with the component. Before you install or remove any component, ensure that the ATX power supply is switched off or the power cord is detached from the power supply. Failure to do so may cause severe damage to the motherboard, peripherals, and/or components.

Onboard LED

The motherboard comes with a standby power LED. When lit, this green LED (SB_PWR) indicates that the system is ON, in sleep mode, or in soft-off mode, a reminder that you should shut down the system and unplug the power cable before removing or plugging in any motherboard component.


A7V400-MX Onboard LED

ON Standby Power

OFF Powered Off

Motherboard overview

24.5cm (9.6in)

1.5.1 Motherboard layout

PS/2KBMS T: Mouse B: Keyboard COM1 DSW

Socket 462



DDR DIMM1 (64 bit,184-pin module)
DDR DIMM2 (64 bit,184-pin module)


USB2.0 Top: T: USB3 RJ-45 B: USB4
Top:Line In Center:Line Out Below:Mic In




ATX Power Connector


VIA VT6307
Accelerated Graphics Port (AGP1)


CR2032 3V Lithium Cell CMOS Power

Super I/O





+5V +5VSB (Default)


Normal (Default)

Clear CMOS

+5V (Default)

4Mbit Firmware Hub

VIA VT6103


1.5.2 Placement direction
When installing the motherboard to the chassis, make sure to place it in the correct orientation. The edge with external ports goes to the rear part of the chassis as indicated in the image below. It may be more convenient to install major cables, the CPU and modular components before fixing the motherboard inside the case frame.

1.5.3 Screw holes

Place eight (8) screws into the holes indicated by circles to secure the motherboard to the chassis.
Do not overtighten the screws! Doing so may damage the motherboard.
Place this side towards the rear of the chassis
WARNING! Unplug the power cord before installing the motherboard. Failure to do so may cause you physical injury and damage Motherboard components.
Central Processing Unit (CPU)

1.6.1 Overview

The motherboard provides a Socket A for CPU installation. Each AMD CPU has a marked corner. This corner is usually indicated with a notch, and/or a golden square or triangle. Refer to this indicator while orienting the CPU. A fan and heatsink should be attached to the CPU to prevent overheating.
This motherboard does not support AMD processors with less than 1GHz core speed.




A7V400-MX Socket 462

1.6.2 Installing the CPU

Follow these steps to install a CPU: 1. Locate the Socket 462 and open it by pulling the lever gently sideways away from the socket. Then lift the lever upwards. The socket lever must be fully opened (90 to 100 degrees). 2. Insert the CPU with the correct orientation. The notched or golden corner of the CPU must be oriented toward the inner corner of the socket base nearest to the lever hinge.

Golden corner

Make sure to unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components.
1.8.1 Installing an expansion card
Follow these steps to install an expansion card. 1. Before installing the expansion card, read the documentation that came with it and make the necessary hardware settings for the card. 2. Remove the system unit cover (if your motherboard is already installed in a chassis). 3. Remove the bracket opposite the slot that you intend to use. Keep the screw for later use. 4. Align the card connector with the slot and press firmly until the card is completely seated on the slot. 5. Secure the card to the chassis with the screw you removed earlier. 6. Replace the system cover.
1.8.2 Configuring an expansion card
After installing the expansion card, configure the card by adjusting the software settings. 1. Turn on the system and change the necessary BIOS settings, if any. See Chapter 4 for information on BIOS setup. 2. Assign an IRQ to the card. Refer to the tables on the next page. 3. Install the software drivers for the expansion card.
Standard Interrupt Assignments
IRQ 2 3* 4* 5* 6 7* 8 9* 10* 11* 12* 13 14* 15* Standard Function System Timer Keyboard Controller Programmable Interrupt Controller USB Universal Host Controller Communications Port (COM1) Onboard Audio Standard Floppy Disk Controller Printer Port (LPT1) System CMOS/Real Time Clock Onboard LAN USB Universal Host Controller Onboard VGA PS/2 Compatible Mouse Port Numeric Data Processor Ultra ATA Controller Secondary Ultra ATA Controller
These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
A PCI slot 1 PCI slot 2 PCI slot 3 AGP slot Onboard 1394 shared shared B shared C shared D shared

1.8.3 AGP slot

The Accelerated Graphics Port (AGP) slot supports +1.5V AGP 4X graphics card. Note the notches on the card golden fingers to ensure that they fit the AGP slot on your motherboard.
Install only 1.5V AGP cards on this motherboard! This motherboard does not support 3.3V AGP cards.

Keyed for 1.5v

A7V400-MX Accelerated Graphics Port (AGP)

1.8.4 PCI slots

Three 32-bit PCI slots are available on this motherboard. The slots support PCI cards such as LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. This figure shows a typical PCI card installed into a slot.

Switch and jumpers

1. CPU external frequency selection (DSW Switches 1-5) The motherboard frequency is adjusted through the DIP switches. The white block represents the switch position. The illustration below shows the ON and OFF positions of the switches.


A7V400-MX DIP Switches
The option to set the CPU core bus frequency multiple is available only on unlocked CPUs. If you are using a locked CPU, setting the switches does not produce any effect.

The DSW switch tells the clock generator what frequency to send the CPU. This allows the selection of the CPUs external frequency (or bus clock). The bus clock multiplied by the frequency multiple equals the CPUs internal frequency (the advertised CPU speed).
The default CPU external frequency is 100MHz. If your CPU supports 133/166MHz external frequency, adjust the DSW settings before installing the motherboard to the chassis.

ON 5 ON 5 ON 5 ON 5

CPU 200MHz 166.67MHz 133.33MHz 100MHz AGP 66.67MHz 66.67MHz 66.67MHz 66.67MHz PCI 33.33MHz 33.33MHz 33.33MHz 33.33MHz (Default)
A7V400-MX CPU External Frequency Selection
Set the CPU frequency only to the recommended settings. Frequencies other than the recommended CPU bus frequencies are not guaranteed to be stable.
2. USB device wake-up (3-pin USBPWR34, USBPWR56, USBPWR78) Set these jumpers to +5V to wake up the computer from S1 sleep mode (CPU stopped, DRAM refreshed, system running in low power mode) using the connected USB devices. Set to +5VSB to wake up from S3 sleep mode (no power to CPU, DRAM in slow refresh, power supply in reduced power mode). Both jumpers are set to pins 1-2 (+5V) by default because not all computers have the appropriate power supply to support this feature. The USBPWR34 jumper is for the rear USB ports. USBPWR56 and USBPWR78 are for the internal USB headers that you can connect to additional front/rear USB ports.
The USB device wake-up feature requires a power supply that can provide 500mA on the +5VSB lead for each USB port. Otherwise, the system does not power up. The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal condition or in sleep mode. USBPWR34
A7V400-MX USB Device Wake Up
3. Clear RTC RAM (CLRTC) This jumper clears the Real Time Clock (RTC) RAM of date, time and system setup parameters in CMOS. The RAM data in CMOS is powered by the onboard button cell battery. To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. Remove the battery. 3. Move the jumper caps from [2-3] to [1-2] momentarily. Replace the jumper cap to the original position, [2-3]. 4. Re-install the battery. 5. Plug the power cord and turn ON the computer. 6. Hold down the <Del> key during the boot process and enter BIOS setup to re-enter data.

A7V400-MX Clear RTC RAM

1.10 Connectors
This section describes and illustrates the rear panel and internal connectors on the motherboard.

Because the BIOS software is constantly being updated, the following BIOS setup screens and descriptions are for reference purposes only, and may not exactly match what you see on your screen.

2.3.1 BIOS menu bar

The top of the screen has a menu bar with the following selections: MAIN ADVANCED POWER BOOT EXIT Use this menu to make changes to the basic system configuration. Use this menu to enable and make changes to the advanced features. Use this menu to configure and enable Power Management features. Use this menu to configure the default system device used to locate and load the Operating System. Use this menu to exit the current menu or to exit the Setup program.
To access the menu bar items, press the right or left arrow key on the keyboard until the desired item is highlighted.

2.3.2 Legend bar

At the bottom of the Setup screen is a legend bar. The keys in the legend bar allow you to navigate through the various setup menus. The following table lists the legend bar keys and their corresponding functions.

Navigation Key

<F1> <F2> <F5> <Esc> Left or Right arrow Up or Down arrow Page Up or + (plus) <Enter> <F10>


Displays the General Help screen Navigates the Item Specific Help screen Loads previous values Jumps to the Exit menu or returns to the main menu from a sub-menu Selects the menu item to the left or right Moves the highlight up or down between fields Scrolls forward through the values for the highlighted field Brings up a selection menu for the highlighted field Saves changes and exit
Page Down or (minus) Scrolls backward through the values for the highlighted field

General help

In addition to the Item Help window, the BIOS setup program also provides a General Help screen. You may launch this screen from any menu by simply pressing <F1>. The General Help screen lists the legend keys and their corresponding functions.
Saving changes and exiting the Setup program
See 2.8 Exit menu for detailed information on saving changes and exiting the setup program.

Scroll bar

When a scroll bar appears to the right of a help window, it indicates that there is more information to be displayed that will not fit in the window. Use <PgUp> and <PgDn> or the up and down arrow keys to scroll through the entire help document. Press <Home> to display the first page, press <End> to go to the last page. To exit the help window, press <Enter> or <Esc>.


The right pointer symbol that appears at the left of certain parameters indicates that a sub-menu exists for this field. A sub-menu offers additional parameter options. To display a sub-menu, move the highlight to the field and press <Enter>. The sub-menu appears. Use the legend keys to navigate and enter values within each sub-menu as you would within a menu. Use the <Esc> key to return to the main menu. Take some time to familiarize yourself with the legend keys and their corresponding functions. Practice navigating through the various menus and sub-menus. While moving around through the Setup program, note that explanations appear in the Item Help window located to the right of each menu. This window displays the help text for the highlighted field.
System Date System Time Legacy Diskette A: IDE Primary Master IDE Primary Slave IDE Secondary Master IDE Secondary Slave Case Open Warning Supervisor Password User Password Security Option Installed Memory Halt On

F1 : Help ESC : Exit

: Select It : Select Me

Main menu

System Date System Time Legacy Diskette A: IDE Primary Master IDE Primary Slave IDE Secondary Master IDE Secondary Slave Case Open Warning Supervisor Password User Password Security Option Installed Memory Halt On Wed, Dec 15 : 30 : 30 [1.44M, 3.5 in.] [ST321122A] [ASUS CDS520/A] [None] [None] [Enabled] Clear Clear [Setup] 256MB [All Errors] Change the day, month, year and century. Select Menu Item Specific Help
: Select Item : Select Menu
-/+ : Change Value Enter : Select Sub-menu
F5 : Setup Defaults F10 : Save and Exit
System Date [day, mm dd yyyy]
Sets the system to the date that you specify (usually the current date). The format is month, day, year. Valid values for month, day, and year are Month: (1 to 12), Day: (1 to 31), Year: (1999 to 2099). Use the <Tab> key to move between the month, day, and year fields.

System Time [hh:mm:ss]

Sets the system to the time that you specify (usually the current time). The format is hour, minute, second. Valid values for hour, minute and second are Hour: (00 to 23), Minute: (00 to 59), Second: (00 to 59). Use the <Tab> key to move between the hour, minute, and second fields.
Legacy Diskette A [1.44M, 3.5 in.]
Sets the type of floppy drive installed. Configuration options: [None] [360K, 5.25 in.] [1.2M , 5.25 in.] [720K , 3.5 in.] [1.44M, 3.5 in.] [2.88M, 3.5 in.]

Manually enter the number of cylinders, heads and sectors per track for the drive. Refer to the drive documentation or the drive label for this information.
After entering the IDE hard disk drive information into BIOS, use a disk utility, such as FDISK, to partition and format new IDE hard disk drives. This is necessary so that you can write or read data from the hard disk. Make sure to set the partition of the Primary IDE hard disk drives to active.
After making your selections on this sub-menu, press the <Esc> key to return to the Main menu. The Main menu displays the hard disk drive field with your configuration.
Select the hard disk drive type in this field. When Logical Block Addressing (LBA) is enabled, the 28-bit addressing of the hard drive is used without regard for cylinders, heads, or sectors. Note that LBA Mode is necessary for drives with more than 504MB storage capacity. Select [CHS] to make manual entries for configuring the fields below. Configuration options: [CHS] [LBA] [Large] [Auto]


This field configures the number of cylinders. Refer to the drive documentation to determine the correct value. To make changes to this field, set the IDE Primary Master field to [Manual] and the Access Mode to [CHS].
This field configures the number of read/write heads. Refer to the drive documentation to determine the correct value. To make changes to this field, set the IDE Primary Master field to [Manual] and the Access Mode to [CHS].


This field configures the number of sectors per track. Refer to the drive documentation to determine the correct value. To make changes to this field, set the Type field to [User Type HDD] and the Translation Method field to [Manual].

Transfer Mode

This field selects the UDMA transfer mode. Configuration options: [Auto] [UDMA0] [UDMA1] [UDMA2] [UDMA3] [UDMA4] [UDMA5]

Advanced menu

CPU Type CPU Speed Cache RAM Current FSB Frequency Current DRAM Frequency DRAM Clock External Cache PS/2 Mouse Function Control USB Legacy Support Init Display First AGP Display switch DDR voltage adjustment Chip Configuration I/O Device Configuration PCI Configuration AMD Athlon(tm) 750MHz 256K 100MHz 133MHz [By SPD] [Enabled] [Enabled] [Auto] [PCI Slot] [Auto] [Auto] Select Menu Item Specific Help Press [Enter] to select the DRAM clock.
The Advanced menu displays the CPU type, speed, cache RAM, front side bus frequency and DRAM frequency information. It also contains the following BIOS parameters.

DRAM Clock [By SPD]

The DRAM clock are set according to the DRAM SPD (Serial Presence Detect). You can manually set the DRAM clock parameters. Configuration options: [By SPD] [133] [166]

External Cache [Enabled]

These fields allow you enable or disable the built-in CPU internal and external cache. Configuration options: [Disabled] [Enabled]

PS/2 Mouse Function Control [Enabled]
Setting this option to Enabled allows the operating system to determine whether to enable or disable the mouse. Set to Disabled prevents any installed PS/2 mouse from functioning and frees up IRQ 12. Configuration options: [Disabled] [Enabled]
USB Legacy Support [Enabled]
This motherboard supports Universal Serial Bus (USB) devices. When enabled, this item allows the system to detect a USB device at startup. When you set this field to [Disabled], the USB controller legacy mode is disabled whether or not you are using a USB device. Configuration options: [Disabled] [Enabled]
Init Display First [PCI Slot]
This option allows you to select the primary VGA type if your system has multiple video controllers. Configuration options: [PCI Slot] [AGP]
AGP Display switch [Auto]
This option allows you to set the AGP display control to [Auto] or through the onboard AGP controller. Configuration options: [Auto] [Onchip AGP]
DDR voltage adjustment [Auto]
This option allows you to adjust the DDR voltage. Configuration options: [2.5V] [2.6V] [Auto]

2.5.1 Chip Configuration

Chip Configuration AGP & P2P Bridge Control DRAM Clock/Drive Control CPU & PCI Bus Control VIA OnChip IDE Device Select Menu Item Specific Help Press [Enter] to go to sub menu.
AGP & P2P Bridge Control
AGP & P2P Bridge Control AGP AGP AGP AGP AGP AGP AGP AGP Aperture Size Mode Driving Control Driving Value Fast Write Master 1 WS Write Master 1 WS Read 3.0 Calibration Cycle [64MB] [4X] [Auto] DA [Disabled] [Disabled] [Disabled] [Enabled] Select Menu Item Specific Help
AGP Aperture Size [XXXMB]
This field sets the size of mapped memory for AGP graphic data. Configuration options: [256M] [128M] [64M] [32M] [16M] [8M] [4M][1G] [512M]

AGP Mode [4X]

AGP 4X transfers video data at 1066MB/s and is backward-compatible to AGP 1X video card. When set to [1X], the AGP interface only provides a peak data throughput of 266MB/s even if you are using an AGP 4X card. Configuratio n options: [1X] [2X] [4X]
AGP Driving Control [Auto]
This option allows you to automatically select or manually assign the AGP Driving Value. Configuration options: [Auto] [Manual]

AGP Driving Value [DA]

This item is enabled when you set the AGP Driving Control to [Manual]. Press <Enter> to assign a hexadecimal AGP Driving Value. Configuration options: [Min = 0000, Max = 00FF]
AGP Fast Write [Disabled]
This field enables or disables the AGP Fastwrite function. Configuration options: [Disable] [Enabled]
AGP Master 1 WS Write [Disabled]
Configuration options: [Disable] [Enabled]
AGP Master 1 WS Read [Disabled]
AGP 3.0 Calibration Cycle [Enabled]

DRAM Clock/Drive Control

DRAM Clock/Drive Control DRAM Timing DRAM CAS Latency Bank Interleave Pre-charge to Active (Trp) Active to Precharge (Tras) Active to CMD (Trcd) DRAM Burst Length DRAM Command Rate Write Recovery Time tWTR [Auto by SPD] [2.5] [Disabled] [5T] [7T] [5T] [4] [2T Command] [3T] [2T] Select Menu Item Specific Help

AC Loss Auto Restart [Auto]
This allows you to set whether or not to reboot the system after AC power loss. [Off] leaves your system off while [On] reboots the system. [Auto] sets the system back to the state it was before the power interruption. Configuration options: [Auto] [On] [Off]
Video Off Method [V/H SYNC+Blank]
This field defines the video off features. The Display Power Management System (DPMS) 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. Configuration options: [Blank Screen] [V/H SYNC+Blank] [DPMS support]
C.O.P. Control [85 degree]
Sets the threshold value for the CPU temperature. The ASUS CPU Overheating Protection (C.O.P.) feature of this motherboard automatically shuts down the system when the CPU temperature reaches or exceeds the threshold value. Configuration options: [85 degree] [95 degree]
PWR Button < 4 Sec [Instant-Off]
When set to [Instant-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 puts the system in sleep mode. Regardless of the setting, holding the ATX switch for more than 4 seconds powers off the system. Configuration options: [Suspend] [Instant-off]

2.6.1 Power Up Control

Power Up Control Power Up On PCI Devices PS2KB Wakeup Select PS2KB Wakeup from S3/S4/S5 PS2MS Wakeup from S3/S4/S5 USB Resume from S3 Modem Ring Resume RTC Alarm Resume Date (of Month) Resume Time [Disabled] [Hot Key] [Disabled] [Disabled] [Disabled] [Disabled] [Disabled] : 0 : 0 Select Menu Item Specific Help Allows keyboard keys to turn on the system.
Power Up On PCI Devices [Disabled]
When set to [Enabled], this parameter allows tyou to turn on the system through a PCI LAN or modem card. This feature requires an ATX power supply that provides at least 1A on the +5VSB lead. Configuration options: [Disabled] [Enabled]
PS2KB Wakeup Select [Hot Key]
This parameter allows you to use specific keys on the keyboard to turn on the system. This feature requires an ATX power supply that provides at least 1A on the +5VSB lead. Configuration options: [Disabled] [Ctrl+F1].[Ctrl+F12] [Power] [Wake] [Any Key]

Exit menu

Save & Exit Setup Exit Without Saving Load Optimized Defaults Discard Changes Save Changes Select Menu Item Specific Help This option saves data to CMOS and exits the BIOS setup.

Save & Exit Setup

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. When you select this option, a confirmation window appears. Select [Yes] to save changes and exit.

Exit Without Saving

Select this option only if you do not want to save the changes that you made to the Setup program. If you made changes to fields other than system date, system time, and password, the BIOS asks for a confirmation before exiting.

Load Optimized Defaults

This option allows you to load the optimized values for each of the parameters on the Setup menus. When you select this option or if you press <F7>, a confirmation window appears. Select [Yes] to load optimized values. Select Save & Exit 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 previously saved values. After selecting this option, a confirmation appears. 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 further changes. After you select this option, a confirmation window appears. Select [Yes] to save changes to the non-volatile RAM.

Chapter 3

This chapter describes the contents of the support CD that comes with the motherboard package.

Software support

Installing an operating system
This motherboard supports Windows 2000/XP operating systems (OS). Always install the latest OS version and corresponding updates so you can maximize the features of your hardware. Because motherboard settings and hardware options vary, use the setup procedures presented in this chapter for general reference only. Refer to your OS documentation for more information.



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