Intel - ATX - 2 GB - Onboard Sound - 1 CPU Socket - DDR
The Intel Desktop Board D845GEBV2 expands the portfolio of integrated graphics platforms for the Intel Pentium 4 processor. Featuring the Intel 845GE chipset, this desktop board delivers support for DDR 333 memory technology along with improved Intel Extreme Graphics. As an industry leader, Intel continues its tradition of delivering innovative desktop board technologies with Desktop Board D845GEBV2. PLATFORM FEATURES Intel Extreme Graphics with up to 64MB dynamic memory and up to 266 MHz graphi... Read more [ Report abuse or wrong photo | Share your Intel D845gebv2 photo ]
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Fan Connector Function/Operation for Desktop Boards with a Hardware Monitoring and Fan Control ASIC...49 System Memory Map...53 I/O Map.....54 DMA Channels....55 PCI Configuration Space Map...55 Interrupts....56 PCI Interrupt Routing Map...58 Front Panel Audio Connector...64 Auxiliary Line In Connector....64 Rear Chassis Fan Connector...64 ATAPI CD-ROM Connector...64 ATX12V Power Connector...65 Processor Fan Connector...65 Main Power Connector....66 Chassis Intrusion Connector....66 Front Chassis Fan Connector...66 SCSI LED Connector...68 Front Panel USB Connector....69 Front Panel Connector....70 States for a One-Color Power LED....71 States for a Two-Color Power LED....71 Auxiliary Front Panel Power/Sleep/Message-Waiting LED Connector.71 Front Panel Audio Connector/Jumper Block...73 BIOS Setup Configuration Jumper Settings...73 Power Usage....78 Standby Current Requirements....79 Fan Connector Current Capability...80 Thermal Considerations for Components..83 Desktop Board D845GEBV2/D845GERG2 Environmental Specifications.84 Safety Regulations....85 EMC Regulations....85 Boot Device Menu Options....92 Supervisor and User Password Functions...94 BIOS Setup Program Menu Bar...95 BIOS Setup Program Function Keys...96 Maintenance Menu....96 Main Menu....97 Advanced Menu....98 PCI Configuration Submenu....99 Boot Configuration Submenu...100 Peripheral Configuration Submenu...101 IDE Configuration Submenu...103 Primary/Secondary IDE Master/Slave Submenus...104 Diskette Configuration Submenu...106 Event Log Configuration Submenu...107 Video Configuration Submenu....108 USB Configuration Submenu...109
65. 66. 67. 68. 69. 70. 71. 72. 73. 74. 75. 76. 77. 78. 79. 80. 81. 82. 83.
Chipset Configuration Submenu...110 Fan Control Configuration Submenu..112 Security Menu....113 Power Menu....114 ACPI Submenu....114 Boot Menu....115 Boot Device Priority Submenu....116 Hard Disk Drives Submenu...117 Removable Devices Submenu....117 ATAPI CD-ROM Drives Submenu...118 Exit Menu.....118 BIOS Error Messages....119 Uncompressed INIT Code Checkpoints...121 Boot Block Recovery Code Checkpoints...121 Runtime Code Uncompressed in F000 Shadow RAM...122 Bus Initialization Checkpoints...125 Upper Nibble High Byte Functions...125 Lower Nibble High Byte Functions...126 Beep Codes....127
Audio codec Front panel audio connector Auxiliary line-in connector Intel 82562ET 10/100 Mbit/sec (PLC) device (Optional) Rear chassis fan connector ATAPI CD-ROM connector Back panel connectors +12V power connector (ATX12V) mPGA478 processor socket Processor fan connector Intel 82845GE Graphics and Memory Controller Hub (GMCH) DIMM sockets I/O Controller Power connector Diskette drive connector
P Q R S T U V W X Y Z AA BB CC DD
IDE connectors Speaker Battery SCSI LED connector Chassis intrusion connector Front chassis fan connector BIOS Setup configuration jumper block Auxiliary front panel power LED connector 4 Mbit Firmware Hub (FWH) Front panel connector Intel 82801DB I/O Controller Hub (ICH4) Front panel USB connector AGP connector PCI bus add-in card connectors CNR connector (optional)
Figure 1. Desktop Board D845GEBV2 Components
Figure 2 shows the location of the major components on the Desktop Board D845GERG2.
Figure 2. Desktop Board D845GERG2 Components
Figure 3 shows the location of the major components on the Desktop Board D845GERG2 that includes the Gigabit Ethernet LAN option. The callouts in Figure 2 and Figure 3 are identical, except as follows: In Figure 3, the auxiliary line in connector (callout C) has been moved In Figure 3, callout D highlights the Intel 82540EM Gigabit Ethernet LAN Controller
Audio codec Front panel audio connector Auxiliary line-in connector Intel 82540EM Gigabit Ethernet LAN Controller Rear chassis fan connector ATAPI CD-ROM connector Back panel connectors +12V power connector (ATX12V) mPGA478 processor socket Processor fan connector Intel 82845GE GMCH DIMM sockets I/O Controller Power connector Diskette drive connector
Figure 3. Desktop Board D845GERG2 Components (with Gigabit Ethernet LAN option)
Figure 4 is a block diagram of the major functional areas of the Desktop Boards D845GEBV2 and D845GERG2. See Figure 7 on page 33 for USB port routing.
= connector or socket Back Panel/ Front Panel USB Ports USB Serial Ports Primary/ Secondary IDE UDMA 33 and ATA-66/100 LPC Bus I/O Controller Parallel Port PS/2 Mouse PS/2 Keyboard Diskette Drive Connector LPC Bus AGP Interface 4X AGP Connector (1.5 V only)
For information about The location of the diskette drive connector on the D845GERG2 board The location of the diskette drive connector on the D845GEBV2 board The supported diskette drive capacities and sizes Refer to Figure 15, page 67 Figure 16, page 68 Table 61, page 106
Keyboard and Mouse Interface
PS/2 keyboard and mouse connectors are located on the back panel.
The keyboard is supported in the bottom PS/2 connector and the mouse is supported in the top PS/2 connector. Power to the computer should be turned off before a keyboard or mouse is connected or disconnected.
For information about The location of the keyboard and mouse connectors Refer to Figure 12, page 60
1.10 Audio Subsystem
The audio subsystem consists of the following devices: Intel 82801DB I/O Controller Hub (ICH4) Analog Devices AD1981B audio codec Split digital/analog architecture for improved S/N (signal-to-noise) ratio: 85 dB Power management support for ACPI 2.0 (driver dependant) Mono/Stereo mic in pre-amp that supports dynamic, condenser, and electret microphones ATAPI-style connectors: Auxiliary line in CD-ROM Front panel audio connector, including pins for: Line out Mic in (mono or stereo) Back panel audio connectors: Line out Line in Mic in (mono or stereo) Figure 8 is a block diagram of the audio subsystem.
The audio subsystem includes these features:
The audio subsystem supports the following audio interfaces:
Line In 82801DB I/O Controller Hub (ICH4) Line Out AC 97 Link AD1981B Audio Codec Mic In Auxiliary Line In CD-ROM
Figure 8. Audio Subsystem Block Diagram
For information about Upgrading the onboard audio subsystem using a CNR audio card The front panel audio connector The back panel audio connectors Refer to Section 1.12, page 40 Section 184.108.40.206, page 62 Section 2.8.1, page 60
Front Panel Audio Connector
Refer to Figure 13, page 62 Table 25, page 64 Section 1.5, page 20
A 2 x 5-pin connector provides mic in and line out signals for front panel audio connectors.
For information about The location of the connector The signal names of the front panel audio connector Obtaining the Front Panel I/O Connectivity Design Guide
The front panel audio connector is alternately used as a jumper block for routing audio signals. Refer to Section 2.9.1 on page 72 for more information.
Auxiliary Line In Connector
A 1 x 4-pin ATAPI-style connector connects the left and right channel signals of an internal audio device to the audio subsystem.
For information about The location of the auxiliary line in connector The signal names of the auxiliary line in connector Refer to Figure 13, page 62 Table 26, page 64
The CNR connector includes power signals required for power management and for CNR card operation. To learn more about the CNR, refer to the CNR specification. The onboard two-channel audio subsystem can be upgraded to four- or six-channel audio using a CNR audio upgrade card in a slave configuration. CNR audio upgrade cards are available in multiple configurations from several vendors supporting analog or S/P-DIF digital connections.
For information about CNR audio upgrade cards Refer to http://developer.intel.com/technology/cnr/
If you install a CNR card that cannot support a multichannel audio upgrade, the Desktop Boards integrated audio codec will be disabled. This only applies to D845GEBV2 and D845GERG2 boards that have both the onboard audio subsystem and a CNR. The brand and type of audio codec used on the CNR card must match that of the Desktop Boards codec (Analog Devices AD1981B). Check with your CNR vendor to ensure that the CNR card has been tested with ICH4-based systems. There is no USB interface routed to the CNR connector.
For information about Obtaining the CNR specification
1.13 Hardware Management Subsystem
The hardware management features enable the Desktop Boards to be compatible with the Wired for Management (WfM) specification. The Desktop Board has several hardware management features, including the following: Fan monitoring and control (through the I/O controller or the hardware monitoring and fan control ASIC) Thermal and voltage monitoring Chassis intrusion detection
For information about The WfM specification
Hardware Monitoring ASICs
A hardware monitoring ASIC A hardware monitoring and fan control ASIC
The Desktop Boards provide one of the following:
The features of these components are described in this section. Contact your Intel sales representative to determine which type of hardware monitoring ASIC is present on your Intel Desktop Board.
Hardware Monitoring ASIC
Internal ambient temperature sensor Remote thermal diode sensor for direct monitoring of processor temperature Power supply monitoring of four voltages (+5 V, +3.3 VSB, +1.5 V, and +VCCP) to detect levels above or below acceptable values SMBus interface
Refer to Figure 10, page 43
The features of the hardware monitoring ASIC include:
For information about The location of the fan connectors and sensors for thermal monitoring
Hardware Monitoring and Fan Control ASIC
Internal ambient temperature sensor Two remote thermal diode sensors for direct monitoring of processor temperature and ambient temperature sensing Power supply monitoring of five voltages (+5 V, +12 V, +3.3 VSB, +1.5 V, and +VCCP) to detect levels above or below acceptable values Thermally monitored closed-loop fan control, for all three fans, that can adjust the fan speed or switch the fans on or off as needed SMBus interface
The features of the hardware monitoring and fan control ASIC include:
Figure 10 shows the location of the sensors and fan connectors.
Item A B C D E F
Description Thermal diode, located on processor die Ambient temperature sensor, internal to both hardware monitoring ASIC options Remote ambient temperature sensor (Note) Processor fan Rear chassis fan Front chassis fan
This sensor is present only on Desktop Boards with the hardware monitoring and fan control ASIC.
Figure 10. Thermal Monitoring
Fan monitoring can be implemented using Intel Active Monitor, Intel LANDesk Client Manager, or third-party software. The level of monitoring and control is dependent on the hardware monitoring ASIC used with the Desktop Board.
For information about The functions of the fan connectors Refer to Section 220.127.116.11, page 48
Chassis Intrusion and Detection
The Desktop Boards D845GEBV2 and D845GERG2 support a chassis security feature that detects if the chassis cover is removed. The security feature uses a mechanical switch on the chassis that attaches to the chassis intrusion connector. When the chassis cover is removed, the mechanical switch is in the closed position.
1.14 Power Management
Power management is implemented at several levels, including: Software support through Advanced Configuration and Power Interface (ACPI) Hardware support: Power connector Fan connectors LAN wake capabilities Instantly Available PC technology Resume on Ring Wake from USB Wake from PS/2 devices Power Management Event signal (PME#) wake-up support
ACPI gives the operating system direct control over the power management and Plug and Play functions of a computer. The use of ACPI with the Desktop Boards D845GEBV2 and D845GERG2 requires an operating system that provides full ACPI support. ACPI features include: Plug and Play (including bus and device enumeration) Power management control of individual devices, add-in boards (some add-in boards may require an ACPI-aware driver), video displays, and hard disk drives Methods for achieving less than 15-watt system operation in the power-on/standby sleeping state A Soft-off feature that enables the operating system to power-off the computer Support for multiple wake-up events (see Table 16 on page 47) Support for a front panel power and sleep mode switch
Table 14 lists the system states based on how long the power switch is pressed, depending on how ACPI is configured with an ACPI-aware operating system.
Table 14. Effects of Pressing the Power Switch
and the power switch is pressed for Less than four seconds Less than four seconds More than four seconds Less than four seconds More than four seconds the system enters this state Power-on (ACPI G0 working state) Soft-off/Standby (ACPI G1 sleeping state) Fail safe power-off (ACPI G2/G5 Soft off) Wake-up (ACPI G0 working state) Power-off (ACPI G2/G5 Soft off)
If the system is in this state Off (ACPI G2/G5 Soft off) On (ACPI G0 working state) On (ACPI G0 working state) Sleep (ACPI G1 sleeping state) Sleep (ACPI G1 sleeping state)
For information about The Desktop Boards compliance level with ACPI
System States and Power States
Under ACPI, the operating system directs all system and device power state transitions. The operating system puts devices in and out of low-power states based on user preferences and knowledge of how devices are being used by applications. Devices that are not being used can be turned off. The operating system uses information from applications and user settings to put the system as a whole into a low-power state. Table 15 lists the power states supported by the Desktop Boards D845GEBV2 and D845GERG2 along with the associated system power targets. See the ACPI specification for a complete description of the various system and power states.
Table 15. Power States and Targeted System Power
Sleeping States S0 working S1 Processor stopped Processor States C0 working C1 stop grant Device States D0 working state. D1, D2, D3 device specification specific. D3 no power except for wake-up logic. D3 no power except for wake-up logic. D3 no power except for wake-up logic. D3 no power for wake-up logic, except when provided by battery or external source. Targeted System Power (Note 1) Full power > 30 W 5 W < power < 52.5 W
Global States G0 working state G1 sleeping state
G1 sleeping state G1 sleeping state G2/S5
S3 Suspend to RAM. Context saved to RAM. S4 Suspend to disk. Context saved to disk. S5 Soft off. Context not saved. Cold boot is required. No power to the system.
Power < 5 W
G3 mechanical off AC power is disconnected from the computer.
Notes: 1. 2.
No power to the system. Service can be performed safely.
Total system power is dependent on the system configuration, including add-in boards and peripherals powered by the system chassis power supply. Dependent on the standby power consumption of wake-up devices used in the system.
Wake-up Devices and Events
Table 16 lists the devices or specific events that can wake the computer from specific states.
CNR LAN Modem (back panel Serial Port A) PME# signal Power switch PS/2 devices RTC alarm USB
from this state S1, S3, S4, S5 S1, S3, S4, S5 (Note) S1, S3 S1, S3, S4, S5 (Note) S1, S3, S4, S5 S1, S3 S1, S3, S4, S5 S1, S3
These devices/events can wake up the computer
For LAN and PME# signal, S5 is disabled by default in the BIOS Setup program. Setting this option to Power On will enable a wake-up event from LAN in the S5 state.
The use of these wake-up events from an ACPI state requires an operating system that provides full ACPI support. In addition, software, drivers, and peripherals must fully support ACPI wake events.
Ensure that the power supply provides adequate +5 V standby current if LAN wake capabilities and Instantly Available PC technology features are used. Failure to do so can damage the power supply. The total amount of standby current required depends on the wake devices supported and manufacturing options. Refer to Section 2.11.3 on page 79 for additional information. The Desktop Boards D845GEBV2 and D845GERG2 provide several power management hardware features, including: Power connector Fan connectors LAN wake capabilities Instantly Available PC technology Resume on Ring Wake from USB Wake from PS/2 keyboard PME# signal wake-up support
LAN wake capabilities and Instantly Available PC technology require power from the +5 V standby line. The sections discussing these features describe the incremental standby power requirements for each.
Resume on Ring enables telephony devices to access the computer when it is in a power-managed state. The method used depends on the type of telephony device (external or internal).
The use of Resume on Ring and Wake from USB technologies from an ACPI state requires an operating system that provides full ACPI support.
ATX12V- and SFX12V-compliant power supplies can turn off the system power through system control. When an ACPI-enabled system receives the correct command, the power supply removes all non-standby voltages. When resuming from an AC power failure, the computer returns to the power state it was in before power was interrupted (on or off). The computers response can be set using the Last Power State feature in the BIOS Setup programs Boot menu.
For information about The location of the power connector The signal names of the power connector The BIOS Setup programs Boot menu The ATX and SFX specifications Refer to Figure 13, page 62 Table 31, page 66 Table 70, page 115 Section 1.5, page 20
Table 17 summarizes the function/operation of the fan connectors for Desktop Boards with the hardware monitoring ASIC. Table 18 summarizes the function/operation of the fan connectors for Desktop Boards with the hardware monitoring and fan control ASIC.
For Instantly Available PC technology, the +5 V standby line for the power supply must be capable of providing adequate +5 V standby current. Failure to provide adequate standby current when implementing Instantly Available PC technology can damage the power supply. Refer to Section 2.11.3 on page 79 for additional information. Instantly Available PC technology enables the Desktop Boards D845GEBV2 and D845GERG2 to enter the ACPI S3 (Suspend-to-RAM) sleep-state. While in the S3 sleep-state, the computer will appear to be off (the power supply is off, and the front panel LED is amber if dual colored, or off if single colored.) When signaled by a wake-up device or event, the system quickly returns to its last known wake state. Table 16 on page 47 lists the devices and events that can wake the computer from the S3 state. The Desktop Boards D845GEBV2 and D845GERG2 support the PCI Bus Power Management Interface Specification. For information on the version of this specification, see Section 1.5. Add-in boards that also support this specification can participate in power management and can be used to wake the computer. The use of Instantly Available PC technology requires operating system support and PCI 2.2 compliant add-in cards and drivers.
+5 V Standby Power Indicator LED
The +5 V standby power indicator LED shows that power is still present even when the computer appears to be off. Figure 11 shows the location of the standby power indicator LED on the D845GEBV2 board.
If AC power has been switched off and the standby power indicator is still lit, disconnect the power cord before installing or removing any devices connected to the board. Failure to do so could damage the board and any attached devices.
Figure 11. Location of the Standby Power Indicator LED on the D845GEBV2 Board
Resume on Ring
Resumes operation from ACPI S1 or S3 states Detects incoming call similarly for external and internal modems Requires modem interrupt be unmasked for correct operation
The operation of Resume on Ring can be summarized as follows:
Wake from USB
USB bus activity wakes the computer from ACPI S1 or S3 states.
Wake from USB requires the use of a USB peripheral that supports Wake from USB.
Wake from PS/2 Devices
PS/2 device activity wakes the computer from an ACPI S1 or S3 state.
PME# Signal Wake-up Support
When the PME# signal on the PCI bus is asserted, the computer wakes from an ACPI S1, S3, S4, or S5 state (with Wake on PME enabled in BIOS).
EN55024: 1998 AS/NZS 3548 (Class B) CISPR 22, 3 Edition (Class B) CISPR 24: 1997
Product Certification Markings (Board Level)
The Desktop Boards D845GEBV2 and D845GERG2 have the following product certification markings: UL joint US/Canada Recognized Component mark: Consists of lower case c followed by a stylized backward UR and followed by a small US. Includes adjacent UL file number for Intel Desktop Boards: E210882 (component side). FCC Declaration of Conformity logo mark for Class B equipment; to include Intel name and D845GEBV2 and D845GERG2 model designation (solder side). CE mark: Declaring compliance to European Union (EU) EMC directive (89/336/EEC) and Low Voltage directive (73/23/EEC) (component side). The CE mark should also be on the shipping container. Australian Communications Authority (ACA) C-Tick mark: consists of a stylized C overlaid with a check (tick) mark (component side), followed by Intel supplier code number, N-232. The C-tick mark should also be on the shipping container. Korean EMC certification logo mark: consists of MIC lettering within a stylized elliptical outline. Printed wiring board manufacturers recognition mark: consists of a unique UL recognized manufacturers logo, along with a flammability rating (94V-0) (solder side). PB part number: Intel bare circuit board part number (solder side). Also includes SKU number starting with AA followed by additional alphanumeric characters. For the Desktop Board D845GEBV2, the PB number A97500-00x. For the Desktop Board D845GERG2, the PB number is A97503-00x. Battery + Side Up marking: located on the component side of the Desktop Board in close proximity to the battery holder.
3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 Introduction.....87 BIOS Flash Memory Organization...87 Resource Configuration....88 System Management BIOS (SMBIOS)...89 Legacy USB Support...89 BIOS Updates...90 Recovering BIOS Data....91 Boot Options....92 Fast Booting Systems with Intel Rapid BIOS Boot..93 BIOS Security Features....94
The Desktop Boards D845GEBV2 and D845GERG2 use an Intel/AMI BIOS that is stored in the Firmware Hub (FWH) and can be updated using a disk-based program. The FWH contains the BIOS Setup program, POST, the PCI auto-configuration utility, and Plug and Play support. The BIOS displays a message during POST identifying the type of BIOS and a revision code. The initial production BIOSs are identified as RG84510A.86A. When the Desktop Boards jumper is set to configuration mode and the computer is powered-up, the BIOS compares the CPU version and the microcode version in the BIOS and reports if the two match.
For information about The Desktop Boards compliance level with Plug and Play Refer to Section 1.5, page 20
3.2 BIOS Flash Memory Organization
The Firmware Hub (FWH) includes a 4 Mbit (512 KB) symmetrical flash memory device. Internally, the device is grouped into eight 64-KB blocks that are individually erasable, lockable, and unlockable.
3.3 Resource Configuration
3.3.1 PCI Autoconfiguration
The BIOS can automatically configure PCI devices. PCI devices may be onboard or add-in cards. Autoconfiguration lets a user insert or remove PCI cards without having to configure the system. When a user turns on the system after adding a PCI card, the BIOS automatically configures interrupts, the I/O space, and other system resources. Any interrupts set to Available in Setup are considered to be available for use by the add-in card. Autoconfiguration information is stored in ESCD format. For information about the versions of PCI and Plug and Play supported by the BIOS, see Section 1.5.
PCI IDE Support
If you select Auto in the BIOS Setup program, the BIOS automatically sets up the two PCI IDE connectors with independent I/O channel support. The IDE interface supports hard drives up to ATA-66/100 and recognizes any ATAPI compliant devices, including CD-ROM drives, tape drives, and Ultra DMA drives (see Section 1.5 for the supported version of ATAPI). The BIOS determines the capabilities of each drive and configures them to optimize capacity and performance. To take advantage of the high capacities typically available today, hard drives are automatically configured for Logical Block Addressing (LBA) and to PIO Mode 3 or 4, depending on the capability of the drive. You can override the auto-configuration options by specifying manual configuration in the BIOS Setup program. To use ATA-66/100 features the following items are required: An ATA-66/100 peripheral device An ATA-66/100 compatible cable ATA-66/100 operating system device drivers
ATA-66/100 compatible cables are backward compatible with drives using slower IDE transfer protocols. If an ATA-66/100 disk drive and a disk drive using any other IDE transfer protocol are attached to the same cable, the maximum transfer rate between the drives is reduced to that of the slowest device.
Do not connect an ATA device as a slave on the same IDE cable as an ATAPI master device. For example, do not connect an ATA hard drive as a slave to an ATAPI CD-ROM drive.
Maintenance Main Advanced Security Power Boot Exit
Table 51 lists the BIOS Setup program menu features.
Table 51. BIOS Setup Program Menu Bar
Main Allocates resources for hardware components Advanced Configures advanced features available through the chipset Security Sets passwords and security features Power Configures power management features Boot Selects boot options and power supply controls Exit Saves or discards changes to Setup program options
Maintenance Clears passwords and BIS credentials and enables extended configuration mode
For information about Boot Integrity Services (BIS)
In this chapter, all examples of the BIOS Setup program menu bar include the maintenance menu; however, the maintenance menu is displayed only when the Desktop Board is in configuration mode. Section 2.9.2 on page 73 tells how to put the Desktop Board in configuration mode.
Table 52 lists the function keys available for menu screens.
Table 52. BIOS Setup Program Function Keys
Description Selects a different menu screen (Moves the cursor left or right) Selects an item (Moves the cursor up or down) Selects a field (Not implemented) Executes command or selects the submenu Load the default configuration values for the current menu Save the current values and exits the BIOS Setup program Exits the menu
BIOS Setup Program Function Key <> or <> <> or <> <Tab> <Enter> <F9> <F10> <Esc>
4.2 Maintenance Menu
To access this menu, select Maintenance on the menu bar at the top of the screen.
The menu shown in Table 53 is for clearing Setup passwords and enabling extended configuration mode. Setup only displays this menu in configuration mode. See Section 2.9.2 on page 73 for configuration mode setting information.
Feature Clear All Passwords
Options Ok (default) Cancel Description Clears the user and supervisor passwords. Clears the Wired for Management Boot Integrity Service (BIS) credentials. Displays CPUs Stepping Signature. Displays CPUs Microcode Update Revision.
Clear BIS Credentials Ok (default) Cancel CPU Stepping Signature CPU Microcode Update Revision No options No options
BIOS Setup Program
4.3 Main Menu
To access this menu, select Main on the menu bar at the top of the screen.
Table 54 describes the Main menu. This menu reports processor and memory information and is for configuring the system date and system time.
Feature BIOS Version Processor Type Hyper-Threading Technology Processor Speed System Bus Speed System Memory Speed Cache RAM Total Memory Memory Bank 0 Memory Bank 1 Language System Time System Date
Options No options No options Disabled Enabled (default) No options No options No options No options No options No options English (default) Francais Hour, minute, and second Day of week Month/day/year Specifies the current time. Specifies the current date. Description Displays the version of the BIOS. Displays processor type. Disables/enables Hyper-Threading Technology. This option is present only when a processor that supports Hyper-Threading Technology is installed. Displays processor speed. Displays the system bus speed. Displays the system memory speed. Displays the size of second-level cache. Displays the total amount of RAM. Displays the amount and type of RAM in the memory banks. Selects the current default language used by the BIOS.
4.4 Advanced Menu
To access this menu, select Advanced on the menu bar at the top of the screen.
PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB Configuration Chipset Configuration Fan Control Configuration
Table 55 describes the Advanced Menu. This menu is used for setting advanced features that are available through the chipset.
Feature PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB Configuration Chipset Configuration
Options Select to display submenu Select to display submenu Select to display submenu Select to display submenu Select to display submenu Select to display submenu Select to display submenu Select to display submenu Select to display submenu Description Configures individual PCI slots IRQ priority. Configures Plug and Play and the Numlock key, and resets configuration data. Configures peripheral ports and devices. Specifies type of connected IDE devices. Configures the diskette drive. Configures Event Logging. Configures video features. Configures USB support. Configures advanced chipset features. Configures fan control options.
Fan Control Configuration Select to display submenu
PCI Configuration Submenu
To access this submenu, select Advanced on the menu bar and then PCI Configuration.
Code 49 4B 4C 4D 4E 4F 7F 82 83
Runtime Code Uncompressed in F000 Shadow RAM (continued)
Description of POST Operation To prepare the descriptor tables. To enter in virtual mode for memory test. To enable interrupts for diagnostics mode. To initialize data to check memory wrap around at 0:0. Data initialized. Going to check for memory wrap around at 0:0 and finding the total system memory size. Memory wrap around test done. Memory size calculation over. About to go for writing patterns to test memory. Pattern to be tested written in extended memory. Going to write patterns in base 640k memory. Patterns written in base memory. Going to find out amount of memory below 1M memory. Amount of memory below 1M found and verified. Going to find out amount of memory above 1M memory. Amount of memory above 1M found and verified. Check for soft reset and going to clear memory below 1M for soft reset. (If power on, go to check point # 4Eh). Memory below 1M cleared. (SOFT RESET) Going to clear memory above 1M. Memory above 1M cleared. (SOFT RESET) Going to save the memory size. (Go to check point # 52h). Memory test started. (NOT SOFT RESET) About to display the first 64k memory size. Memory size display started. This will be updated during memory test. Going for sequential and random memory test. Memory testing/initialization below 1M complete. Going to adjust displayed memory size for relocation/shadow. Memory size display adjusted due to relocation/ shadow. Memory test above 1M to follow. Memory testing/initialization above 1M complete. Going to save memory size information. Memory size information is saved. CPU registers are saved. Going to enter in real mode. Shutdown successful, CPU in real mode. Going to disable gate A20 line and disable parity/NMI. A20 address line, parity/NMI disable successful. Going to adjust memory size depending on relocation/shadow. Memory size adjusted for relocation/shadow. Going to clear Hit <DEL> message. Hit <DEL> message cleared. <WAIT.> message displayed. About to start DMA and interrupt controller test. DMA page register test passed. To do DMA#1 base register test. DMA#1 base register test passed. To do DMA#2 base register test. DMA#2 base register test passed. To program DMA unit 1 and 2. DMA unit 1 and 2 programming over. To initialize 8259 interrupt controller. Extended NMI sources enabling is in progress. Keyboard test started. Clearing output buffer, checking for stuck key, to issue keyboard reset command. Keyboard reset error/stuck key found. To issue keyboard controller interface test command. Keyboard controller interface test over. To write command byte and init circular buffer. Command byte written, global data init done. To check for lock-key. continued
2 Installing and Replacing Desktop Board Components
Before You Begin....21 Installing the I/O Shield...22 Installing and Removing the Desktop Board..23 Installing and Removing a Processor....24
Intel Desktop Boards D845GERG2 and D845GEBV2 Product Guide
Installing a Processor....24 Installing the Processor Fan Heat Sink...24 Connecting the Processor Fan Heat Sink Cable..25 Removing the Processor....25 Installing and Removing Memory...26 Installing DIMMs....26 Removing DIMMs...27 Installing and Removing an AGP or ADD Card...27 Installing an AGP or ADD Card...28 Removing the AGP or ADD Card...28 Connecting the IDE Cable....29 Connecting Front Panel Headers...30 Connecting the Front Panel Header...31 Installing a Front Panel Audio Solution...31 Installing a Front Panel USB Solution...32 Connecting Fans and Power Cables...33 Connecting Fans....33 Connecting Power Cables...33 Setting the BIOS Configuration Jumper Block...34 Clearing Passwords...35 Replacing the Battery....36
3 Updating the BIOS
Updating the BIOS with the Intel Express BIOS Update Utility..39 Updating the BIOS with the Intel Flash Memory Update Utility..40 Obtaining the BIOS Update File....40 Updating the BIOS....40 Recovering the BIOS...41
4 Using the BIOS Setup Program
Maintenance Menu....44 Main Menu....45 Advanced Menu....46 PCI Configuration Submenu....47 Boot Configuration Submenu...48 Peripheral Configuration Submenu....49 IDE Configuration Submenu....51 Primary/Secondary IDE Master/Slave Submenus..52 Diskette Configuration Submenu...53 Event Log Configuration Submenu....53 Video Configuration Submenu...54 USB Configuration Submenu...54 Chipset Configuration Submenu...55 Hardware Management Submenu...56 Security Menu....56 Power Menu....57 ACPI Submenu....57
Boot Menu.....58 Boot Device Priority Submenu...59 Hard Disk Drives Submenu...59 Removable Devices Submenu...60 ATAPI CD-ROM Drives....60 Exit Menu....61
5 Technical Reference
Board Connectors....63 Back Panel Connectors....64 Audio Connectors...65 Add-In Card and Peripheral Interface Connectors..66 Desktop Board Resources....67 Memory Map....67 DMA Channels....67 Interrupts....68
A Error Messages and Indicators
BIOS Beep Codes....69 BIOS Error Messages....70
B Regulatory Compliance
Safety Regulations....73 EMC Regulations....73 Product Certification Markings...74 Installation Precautions...75 Installation Instructions....75 Ensure Electromagnetic Compatibility (EMC) Compliance...75 Chassis and Component Certifications...76 Prevent Power Supply Overload...76 Place Battery Marking...76 Use Only for Intended Applications....76
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. Desktop Board D845GERG2 Components... 9 Desktop Board D845GEBV2 Components...10 Location of Standby Power Indicator....18 Installing the I/O Shield....22 Location of Desktop Board Mounting Holes...23 Installing a Processor....24 Connecting the Processor Fan Heat Sink Cable to the Processor Fan Connector.25 Installing a Memory Module...26 Removing the AGP or ADD Card....28 Connecting the IDE Cable...29 Front Panel Headers....30 Location of Fans and Power Connectors...33 Location of the BIOS Configuration Jumper Block...34 Removing the Battery....38
For information about Intel desktop boards, including technical product specifications, BIOS updates, and device drivers, go to the Intel World Wide Web site at: http://support.intel.com/support/motherboards/desktop/
Desktop Board Features
Figure 1 shows the approximate location of the major components on Desktop Board D845GERG2.
A B C D E F
G CC H
I BB AA Z Y X L W V
A B C D E F G H I J K L M N O Audio codec Front panel audio header Auxiliary line-in connector (ATAPI) Rear chassis fan connector (fan speed control) CD-ROM connector (ATAPI) Back panel connectors 12 V processor core voltage connector Intel 82845GE (GMCH) Processor socket Processor fan connector DIMM sockets Super I/O controller Main power connector Diskette drive connector Secondary IDE connector
P Q R S T U V W X Y Z
Primary IDE connector Speaker Battery SCSI hard drive activity LED connector Alternate power/sleep LED header Chassis intrusion connector Front chassis fan connector (fan speed control) BIOS configuration jumper Front panel header Intel 82801DB (ICH4) Front panel USB 2.0 header AGP connector PCI bus add-in card connectors CNR (optional)
AA BB CC
Figure 1. Desktop Board D845GERG2 Components
Figure 2 shows the approximate location of the major components on Desktop Board D845GEBV2.
I BB AA Z Y J K L WV T R Q
P Q R S T U V W X Y Z AA BB CC
A B C D E F G H I J K L M N O Audio codec Front panel audio header
Primary IDE connector Speaker Battery SCSI hard drive activity LED connector Alternate power/sleep LED header Chassis intrusion connector Front chassis fan connector (fan speed control) BIOS configuration jumper Front panel header Intel 82801DB (ICH4) Front panel USB header AGP connector PCI bus add-in card connectors CNR (optional)
Auxiliary line-in connector (ATAPI) Rear chassis fan connector (fan speed control) CD-ROM connector (ATAPI) Back panel connectors 12 V processor core voltage connector Intel 82845GE (GMCH) Processor socket Processor fan connector (tachometer input) DIMM sockets Super I/O controller Power connector Diskette drive connector Secondary IDE connector
Figure 2. Desktop Board D845GEBV2 Components
Failure to use an ATX12V power supply, or not connecting the 12 V processor core voltage power supply connector to Desktop Board D845GERG2/D845GEBV2 may result in damage to the desktop board and/or power supply. Desktop Board D845GERG2/D845GEBV2 supports a single Intel Pentium 4 processor or Intel Celeron processor. Processors are not included with the desktop board and must be purchased separately. The processor connects to the Intel desktop board through the mPGA478-pin socket. The Intel Pentium 4 processor and Intel Celeron processor may be removed and replaced to accommodate supported higher speed processors. Desktop Board D845GERG2/D845GEBV2 supports the processors listed in Table 2.
Type Intel Pentium
Designation Front Side Bus Frequency 533 MHz 400 MHz 400 MHz L2 Cache 512 KB 512 KB 256 KB
4 processor 2.8, 2.66, 2.53, 2.4B, and on.13 micron process in an 2.26 GHz mPGA478 package 2.6, 2.5, 2.40, 2.20, 2A, 1.80A, and 1.60A GHz 2, 1.90, 1.80, 1.70, 1.60, 1.50, and 1.4 GHz
Intel Pentium 4 processor on.18 micron process in an mPGA478 package
Intel Celeron processor in 1.8 and 1.7 GHz an mPGA478 package
For the latest information on processor support for Desktop Board D845GERG2/D845GEBV2, refer to the Intel World Wide Web site at: http://support.intel.com/support/motherboards/desktop/ For instructions on installing or upgrading the processor, see Chapter 2 on page 21. Desktop Board D845GERG2/D845GEBV2 requires an ATX12V compliant power supply to function according to desktop board specifications. Both boards have two ATX12V compliant power supply connectors that are needed to provide extra power to the Intel 845GE chipset and Intel Pentium 4 processor or Intel Celeron processor. Figure 12 on page 33 shows the two power connector locations.
To be fully compliant with all applicable Intel SDRAM memory specifications, the board should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. If your memory modules do not support SPD, you will see a notification to this effect on the screen at power up. The BIOS will attempt to configure the memory controller for normal operation. The desktop board supports system memory as defined below: Up to two 184-pin Double Data Rate (DDR) SDRAM Dual Inline Memory Modules (DIMMs) with gold-plated contacts. Supported memory configuration are: DDR333: to run DDR333 memory at full speed requires an Intel Pentium 4 processor with 533 MHz front side bus frequency (FSB). DDR333 memory will run only at DDR266 speeds when using a processor with 400 MHz FSB. DDR266: requires an Intel Pentium 4 processor with 533/400 MHz FSB, or Intel Celeron processor with 400 MHz FSB. Unbuffered and non-registered single or double-sided DIMMs Serial Presence Detect (SPD) memory only Non-ECC RAM (ECC memory will run in non-ECC mode) 2.5 V memory
Desktop Board D845GERG2/D845GEBV2 has been designed to support DIMMs based on 512 Mbit technology up to 2 GB, but this technology has not been validated on these Intel desktop boards. For more information about the latest list of tested memory, refer to the Intel World Wide Web site at: http://support.intel.com/support/motherboards/desktop/ All memory components and DIMMs used with the desktop boards must comply with the PC SDRAM specifications. You can access these documents through the World Wide Web at: http://www.intel.com/technology/memory/pcsdram/spec/ For information about installing memory, see Chapter 2 starting on page 21.
Intel 845GE Chipset
The Intel 845GE chipset consists of the following devices: Intel 82845GE Graphics and Memory Controller Hub (GMCH) with AHA bus Intel 82801DB I/O Controller Hub (ICH4) with AHA bus Firmware Hub (FWH)
Intel 82845GE Graphics and Memory Controller Hub (GMCH)
The GMCH provides Intel Extreme Graphics as well as the processor, system memory, AGP, and hub interfaces in the Intel 845GE chipset platform. Features on Desktop Board D845GERG2/D845GEBV2 include: Single processor support with 533 MHz or 400 MHz data transfer rates Support for up to 2 GB (with 512 Mbit technology) DDR-SDRAM at 333/266 MHz operation
512 Mbit technology has not been validated on these boards 1.5 V AGP interface with 4X Side Band Addressing (SBA)/data transfer and 2X and 4X fast write
Intel 82801DB I/O Controller Hub (ICH4)
The ICH4 integrates many I/O functions and provides the I/O subsystem with access to the rest of the platform. ICH4 features on Desktop Board D845GERG2/D845GEBV2 include: Integrated IDE controller supports two Ultra DMA-33 and ATA-66/100 channels, and PIO modes SMBus interface FWH interface Low Pin Count (LPC) interface AC 97 2.1 compliant link for audio LAN connect interface Three UHCI and one EHCI compliant host controllers with support for up to six USB ports
Firmware Hub (FWH)
The 4 Mbit Firmware Hub has these features: System BIOS System security and management logic
Input/Output (I/O) Controller
The SMSC LPC47M172 or National Semiconductor PC87372 super I/O controllers feature the following: Low pin count (LPC) interface One serial port One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support Serial IRQ interface compatible with serialized IRQ support for PCI systems PS/2-style mouse and keyboard interfaces Interface for one 1.2 MB, 1.44 MB, or 2.88 MB diskette drive Intelligent power management, including a programmable wake up event interface PCI power management support
Item A B C D
Description Front panel audio Front panel USB Front panel Alternate power/sleep LED
Figure 11. Front Panel Headers
Connecting the Front Panel Header
Before connecting the front panel header, observe the precautions in Before You Begin on page 21. Figure 11 C on page 30 shows the location of the front panel header. Table 5 shows the pin assignments for the front panel header.
Front Panel Header (J9G1)
In/Out Description Pin Signal In/Out Description
Hard Drive Activity LED
HD_PWR HDA# Out Out Hard disk LED pullup (330 ) to +5 V Hard disk active LED 2 4
HDR_BLNK_GRN Out HDR_BLNK_YEL Out Front panel green LED Front panel yellow LED
9 Ground FP_RESET# +5 V In Out Ground Reset switch Power 10 Ground N/C
SWITCH_ON# In Power switch Ground Not connected
Installing a Front Panel Audio Solution
Figure 11 A on page 30 shows the location of the front panel audio header. Table 6 shows the pin assignments for the front panel audio header.
Front Panel Audio Header Signal Names (J8A1)
Signal Name AUD-MIC AUD-MIC-BIAS AUD-FPOUT-R HP-ON AUD-FPOUT-L Pin 10 Signal Name AUD-GND AUD-VCC AUD-RET-R KEY AUD-RET-L
To install the cable that connects the front panel audio solution to the front panel audio header, follow these steps: 1. Observe the precautions in Before You Begin on page 21. 2. Turn off all peripheral devices connected to the computer. Turn off the computer and disconnect the AC power cord. 3. Remove the cover. 4. Locate the front panel audio header (J8A1). Remove the two jumpers from the header to disable the back panel audio connectors. 5. Install a correctly keyed and shielded front panel audio cable. 6. Connect the audio cable to the front panel audio solution. 7. Replace the cover.
To restore back panel operations, follow these steps: 1. Observe the precautions in Before You Begin on page 21. 2. Turn off all peripheral devices connected to the computer. Turn off the computer and disconnect the AC power cord. 3. Remove the cover. 4. Remove the front panel audio cable. 5. Install a jumper on pins 5-6 (rear R channel). 6. Install a jumper on pins 9-10 (rear L channel). 7. Replace the cover.
Installing a Front Panel USB Solution
Before installing a front panel USB 2.0 solution, observe the precautions in Before You Begin on page 21. Figure 11 B on page 30 shows the location of the front panel USB 2.0 header. Table 7 shows the pin assignments for the front panel USB 2.0 header.
4. Insert the bootable BIOS update diskette into diskette drive A. 5. Replace the computer cover, connect the power cord, turn on the computer, and allow it to boot. The recovery process will take a few minutes. 6. Listen to the speaker: Upon applying power, drive A will begin to show activity. In about a minute, two beeps are heard and drive A activity ceases (temporarily) indicating the successful recovery of the BIOS core. Drive A activity will begin again followed by two more beeps indicating the successful recovery of the boot block. This sequence of events indicates a successful BIOS recovery. A series of continuous beeps indicates a failed BIOS recovery. 7. 8. 9. 10. If recovery fails, return to step 1 and repeat the recovery process. If recovery is successful, turn off the computer, and disconnect its power cord. Remove the computer cover and continue with the following steps. On the jumper block, reinstall the jumper back on pins 1-2 as shown below to set normal mode for Setup.
11. Leave the update diskette in drive A, replace the computer cover, and connect the computers power cord. 12. Turn on the computer and continue with the BIOS update.
The BIOS Setup program can be used to view and change the BIOS settings for the computer. The BIOS Setup program is accessed by pressing the <F2> key after the Power-On Self-Test (POST) memory test begins and before the operating system boot begins.
The BIOS Setup menus described in this section may not show the latest settings. For the latest BIOS settings, refer to the Intel Desktop Board D845GERG2/D845GEBV2 Technical Product Specification or the Intel World Wide Web site: http://support.intel.com/support/motherboards/desktop
For reference purposes, you should write down the current Setup settings. When you make changes to the settings, update this record.
The Setup menus described in this section apply to the desktop boards with BIOS identifier RG84510A.86A. Boards with other BIOS identifiers might have differences in some of the Setup menu screens. The Setup screen menu bar is shown below.
Maintenance Main Advanced Security Power Boot Exit
Table 9 shows the BIOS Setup program menu bar.
Table 9. BIOS Setup Program Menu Bar
Main Allocates resources for hardware components Advanced Configures advanced features available through the chipset Security Sets passwords and security features Power Configures power management features Boot Selects boot options and power supply controls Exit Saves or discards changes to set program options
Maintenance Clears passwords and Boot Integrity Service (BIS)* credentials, and configures extended configuration memory settings
* For information about the BIS, refer to the Intel Web site at: http://developer.intel.com/design/security/index1.htm
Table 10 shows the function keys available for menu screens.
Table 10. BIOS Setup Program Function Keys
Description Selects a different menu screen Moves cursor up or down Moves cursor to the next field Executes command or selects the submenu Load the default configuration values for the current menu Save the current values and exits the BIOS Setup program Exits the menu
BIOS Setup Program Function Key <> or <> <> or <> <Tab> <Enter> <F9> <F10> <Esc>
The menu shown in Table 11 is used to clear the Setup passwords. Setup only displays this menu in configure mode. See page 34 for information about setting configure mode.
Feature Clear All Passwords
Options Ok Cancel Description Clears both the user and supervisor passwords. Clears the Wired for Management Boot Integrity Service (BIS) credentials. Displays processors Stepping Signature. Displays processors Microcode Update Revision.
Clear BIS Credentials Ok Cancel CPU Stepping Signature CPU Microcode Update Revision No options No options
Using the BIOS Setup Program
Table 12 describes the Main Menu. This menu reports processor and memory information and is used to configure the system date and system time.
Feature BIOS Version Processor Type Processor Speed System Bus Speed System Memory Speed Cache RAM Total Memory Memory Bank 0 Memory Bank 1 Language System Time System Date
Options No options No options No options No options No options No options No options No options English (default) Franais Hour, minute, and second Day of week Month/day/year Specifies the current time. Specifies the current date. Description Displays the version of the BIOS. Displays processor type. Displays processor speed. Displays the system bus speed. Displays the system memory speed. Displays the size of second-level cache and whether it is ECC-capable. Displays the total amount of RAM. Displays the amount and type of RAM in the memory banks. Selects the current default language used by the BIOS.
PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB Configuration Chipset Configuration Hardware Management
Table 13 describes the Advanced Menu. This menu is used to set advanced features that are available through the chipset.
Off On (default)
Peripheral Configuration Submenu
This submenu shown in Table 16 is used for configuring computer peripherals.
Feature Serial Port A
Options Disabled Enabled Auto (default) Description Configures serial port A. Auto assigns the first free COM port, normally COM1, the address 3F8h, and the interrupt IRQ4. An * (asterisk) displayed next to an address indicates a conflict with another device.
Base I/O Address (This feature is present only when Serial Port A is set to Enabled) Interrupt (This feature is present only when Serial Port A is set to Enabled) Parallel Port
3F8 (default) 2F8 3E8 2E8 IRQ 3 IRQ 4 (default)
Specifies the base I/O address for serial port A, if serial port A is Enabled.
Specifies the interrupt for serial port A, if serial port A is Enabled.
Disabled Enabled Auto (default)
Configures the parallel port. Auto assigns LPT1 the address 378h and the interrupt IRQ7. An * (asterisk) displayed next to an address indicates a conflict with another device.
Output only Bi-directional (default) EPP ECP
Selects the mode for the parallel port. Not available if the parallel port is disabled. Output Only operates in AT-compatible mode. Bi-directional operates in PS/2-compatible mode. EPP is Extended Parallel Port mode, a high-speed bi-directional mode. ECP is Enhanced Capabilities Port mode, a high-speed bi-directional mode. continued
Peripheral Configuration Submenu (continued)
Options 378 (default) 278 Description Specifies the base I/O address for the parallel port, if Parallel Port is Enabled.
Base I/O Address (This feature is present only when Parallel Port is set to Enabled) Interrupt (This feature is present only when Parallel Port is set to Enabled) Audio LAN Device (This feature is present only when there is onboard LAN)
IRQ 5 IRQ 7 (default)
Specifies the interrupt for the parallel port, if Parallel Port is Enabled.
Disabled Enabled (default) Disabled Enabled (default)
Enables or disables the onboard audio subsystem. Enables or disables the LAN device.
IDE Configuration Submenu
This submenu shown in Table 17 is used to configure IDE device options.
Feature IDE Controller
Options Disabled Primary Secondary Both (default) Description Specifies the integrated IDE controller. Disabled disables the integrated IDE controller. Primary enables only the primary IDE controller. Secondary enables only the secondary IDE controller. Both enables both IDE controllers. Allows for a PCI device to initiate a transaction as a master.
Event Log Configuration
The submenu shown in Table 20 is used to configure the event logging features.
Feature Event Log View Event Log Clear Event Log Event Logging Mark Events As Read
Options No options [Enter] No options Disabled Enabled (default) [Enter] Marks all DMI events in the event log as read. Description Indicates if there is space available in the event log. Views the contents of the DMI event log. Discards all events in the event log. Enabled allows logging of DMI events.
Video Configuration Submenu
The submenu shown in Table 21 is used to configure video features.
Feature Graphics Aperture Size
Options 4MB 8MB 16MB 32MB 64MB (default) 128MB 256MB AGP (default) PCI Description Amount of system memory available for direct access by the graphics device.
Primary Video Adapter Frame Buffer Size
Allows selecting an AGP or PCI video controller as the display device that will be active when the system boots. Controls how much system RAM is reserved for use by the internal graphics device.
512 KB 1 MB (default) 8 MB
USB Configuration Submenu
The menu shown in Table 22 is used to configure USB features.
Feature High Speed USB Legacy USB Support
Options Disabled Enabled (default) Disabled Enabled (default) Description Disable this option when a USB 2.0 driver is not available. Enables support for legacy USB.
Chipset Configuration Submenu
The menu shown in Table 23 is used to configure advanced chipset features.
Feature ISA Enable Bit PCI Latency Timer
Options Enabled (default) Disabled 32 (default) 248 Default (default) User Defined Auto (default) 200 MHz 266 MHz 333 MHz Auto (default) Manual Aggressive Manual User Defined Description Some older expansion devices require this to be enabled. Set PCI latency time.
Extended Configuration SDRAM Frequency
Chooses the default or user defined settings for the extended configuration options. Allows override of detected memory frequency value.
SDRAM Timing Control
Auto allows timings to be programmed according to the memory detected. Manual Aggressive selects the most aggressive user defined timings. Manual User Defined allows manual override of detected SDRAM settings
Feature ACPI After Power Failure
Options No Options Stay Off Last State (default) Power On Description When selected, displays the ACPI submenu. Determines the mode of operation if a power loss occurs. Stay Off keeps the power off until the power button is pressed. Last State restores the previous power state before power loss occurred. Power On restores power to the computer.
Wake on PCI PME Wake on Modem Ring
Stay Off (default) Power-On Stay Off (default) Power-On
Determines how the system responds to a PCI-PME wake up event. Specifies how the computer responds to a Modem Ring wake up event on an installed modem.
Maintenance Main Advanced Security Power
The submenu represented in Table 27 is for setting the ACPI features.
Feature ACPI Suspend Mode Wake on LAN from S5
Options S1 State (default) S3 State Stay Off (default) Power On Description Specifies the ACPI sleep state. In ACPI soft-off mode only, determines how the system responds to a LAN wake up event when the system is in the ACPI soft-off mode.
Boot Device Priority Hard Disk Drives Removable Devices ATAPI CD-ROM Drives
The menu shown in Table 28 is used to set the boot features and the boot sequence.
Feature Silent Boot Intel Rapid BIOS Boot
Options Disabled Enabled (default) Disabled Enabled (default) Disabled Enabled (default) Description Disabled displays normal POST messages. Enabled displays OEM logo instead of POST messages. Allows BIOS to skip certain tests while booting. Enables the BIOS to scan the flash ROM for user binary files that are executed at boot time.
Scan User Flash Area PXE Boot to LAN USB Boot Boot Device Priority Hard Disk Drives Removable Devices ATAPI CD-ROM Drives
Disabled (default) Disables or enables PXE boot to LAN. Enabled Disabled Enabled (default) No options No options No options No options Specifies the boot sequence from the available types of boot devices. Specifies the boot sequence from the available hard disk drives. Specifies the boot sequence from the available removable devices. Specifies the boot sequence from the available ATAPI CD-ROM drives. Disables or enables booting to USB boot devices.
Boot Device Priority Submenu
Maintenance Main Advanced Security Power Boot
Boot Device Priority
The submenu represented in Table 29 is for setting boot devices priority.
Note: This boot device submenu appears only if at least one boot device of this type is installed. This list will display up to four ATAPI CD-ROM drives, the maximum number of ATAPI CD-ROM drives supported by the BIOS.
The menu shown in Table 33 is used to exit the BIOS Setup program, saving changes, and loading and saving defaults.
Feature Exit Saving Changes Exit Discarding Changes Load Optimal Defaults Load Custom Defaults Save Custom Defaults
Description Exits and saves the changes in CMOS SRAM. Exits without saving any changes made in the BIOS Setup program. Loads optimal defaults. Loads the custom defaults for Setup options. Saves the current values as custom defaults. Normally, the BIOS reads the Setup values from flash memory. If this memory is corrupted, the BIOS reads the custom defaults. If no custom defaults are set, the BIOS reads the factory defaults. Discards changes without exiting Setup. The option values present when the computer was turned on are used.
This chapter shows the location of the: Back panel connectors Audio connectors Add-in board and peripheral interface connectors
Many of the midboard and front panel connectors provide operating voltage (+5 V dc and +12 V dc, for example) to devices inside the computer chassis, such as fans and internal peripherals. These connectors are not overcurrent protected. Do not use these connectors for powering devices external to the computer chassis. A fault in the load presented by the external devices could cause damage to the computer, the interconnecting cable, and the external devices themselves.
Back Panel Connectors
Figure 15 shows the back panel connectors.
Item A B C D E F G H I J K L M
Description PS/2 mouse port
Color Green Purple Black Black Burgundy Teal Blue Black Black Black Pink Lime green Light blue
PS/2 keyboard port USB 2.0 port USB 2.0 port Parallel port Serial port VGA port RJ-45 (optional) USB 2.0 port USB 2.0 port Mic in Audio line out Audio line in
Figure 15. Back Panel Connectors
The line out connector, located on the back panel, is designed to power either headphones or amplified speakers only. Poor audio quality may occur if passive (non-amplified) speakers are connected to this output.
Figure 11 shows the approximate location of the audio connectors.
Item A B C
Description Front panel audio Auxiliary line in (ATAPI) CD-ROM (ATAPI)
Color Black Grey Black
Figure 16. Audio Connectors
Add-In Card and Peripheral Interface Connectors
Number of Beeps
BIOS Error Messages
When a recoverable error occurs during the POST, the BIOS displays an error message describing the problem.
GA20 Error Pri Master HDD Error Pri Slave HDD Error Sec Master HDD Error Sec Slave HDD Error Pri Master Drive - ATAPI Incompatible Pri Slave Drive - ATAPI Incompatible Sec Master Drive - ATAPI Incompatible Sec Slave Drive - ATAPI Incompatible A: Drive Error B: Drive Error CMOS Battery Low CMOS Display Type Wrong CMOS Checksum Bad CMOS Settings Wrong CMOS Date/Time Not Set DMA Error FDC Failure HDC Failure Checking NVRAM.. Update OK! Updated Failed Keyboard Is Locked Keyboard Error KB/Interface Error
Explanation An error occurred with Gate-A20 when switching to protected mode during the memory test. Could not read sector from corresponding drive.
Corresponding drive is not an ATAPI device. Run Setup to make sure device is selected correctly.
No response from the diskette drive. The battery may be losing power. Replace the battery soon. The display type is different than what has been stored in CMOS. Check Setup to make sure type is correct. The CMOS checksum is incorrect. CMOS memory may have been corrupted. Run Setup to reset values. CMOS values are not the same as the last boot. These values have either been corrupted or the battery has failed. The time and/or date values stored in CMOS are invalid. Run Setup to set correct values. Error during read/write test of DMA controller. Error occurred trying to access diskette drive controller. Error occurred trying to access hard disk controller. NVRAM is being checked to see if it is valid. NVRAM was invalid and has been updated. NVRAM was invalid but was unable to be updated. The system keyboard lock is engaged. The system must be unlocked to continue to boot. Error in the keyboard connection. Make sure keyboard is connected properly. Keyboard interface test failed. continued
Error Messages and Indicators
BIOS Error Messages (continued)
Explanation Memory size has decreased since the last boot. If no memory was removed, then memory may be bad. Memory size has increased since the last boot. If no memory was added, there may be a problem with the system. Memory size has changed since the last boot. If no memory was added or removed, then memory may be bad. System did not find a device to boot. A parity error occurred on an offboard card. This error is followed by an address. A parity error occurred in onboard memory. This error is followed by an address. A parity error occurred in onboard memory at an unknown address. NVRAM, CMOS, and passwords have been cleared. The system should be powered down and the jumper removed. CMOS is ignored and NVRAM is cleared. User must enter Setup.
Error Message Memory Size Decreased Memory Size Increased Memory Size Changed No Boot Device Available Off Board Parity Error On Board Parity Error Parity Error NVRAM / CMOS / PASSWORD cleared by Jumper <CTRL_N> Pressed
Korean MIC logo mark for Desktop Board D845GEBV2
When you install and test the desktop board, observe all warnings and cautions in the installation instructions. To avoid injury, be careful of: Sharp pins on connectors Sharp pins on printed circuit assemblies Rough edges and sharp corners on the chassis Hot components (like processors, voltage regulators, and heat sinks) Damage to wires that could cause a short circuit Observe all warnings and cautions that instruct you to refer computer servicing to qualified technical personnel.
Follow these guidelines to meet safety and regulatory requirements when installing this board assembly. Read and adhere to all of these instructions and the instructions supplied with the chassis and associated modules. If the instructions for the chassis are inconsistent with these instructions or the instructions for associated modules, contact the suppliers technical support to find out how you can ensure that your computer meets safety and regulatory requirements. If you do not follow these instructions and the instructions provided by chassis and module suppliers, you increase safety risk and the possibility of noncompliance with regional laws and regulations.
Ensure Electromagnetic Compatibility (EMC) Compliance
Before computer integration, make sure that the power supply and other modules or peripherals, as applicable, have passed Class B EMC testing and are marked accordingly. In the installation instructions for the host chassis, power supply, and other modules pay close attention to the following: Product certifications or lack of certifications External I/O cable shielding and filtering Mounting, grounding, and bonding requirements Keying connectors when mating the wrong connectors could be hazardous If the power supply and other modules or peripherals, as applicable, are not Class B EMC compliant before integration, then EMC testing is required on a representative sample of the newly completed computer.
Chassis and Component Certifications
Ensure that the chassis and certain components; such as the power supply, peripheral drives, wiring, and cables; are components certified for the country or market where used. Agency certification marks on the product are proof of certification. Typical product certifications include: In Europe The CE marking signifies compliance with all applicable European requirements. If the chassis and other components are not properly CE marked, a suppliers Declaration of Conformity statement to the European EMC directive and Low Voltage directive (as applicable), should be obtained. Additionally, other directives, such as the Radio and Telecommunications Terminal Equipment (R&TTE) directive may also apply depending on product features. In the United States A certification mark by a Nationally Recognized Testing Laboratory (NRTL) such as UL, CSA, or ETL signifies compliance with safety requirements. Wiring and cables must also be UL listed or recognized and suitable for the intended use. The FCC Class B logo for home or office use signifies compliance with electromagnetic interference (EMI) requirements. In Canada A nationally recognized certification mark such as CSA or cUL signifies compliance with safety requirements. The Industry Canada statement at the front of this product guide demonstrates compliance with Canadian EMC regulations. Industry Canada recognizes and accepts FCC certification as denoting compliance with national electromagnetic interference (emissions) requirements.
The Intel Desktop Board D845GEBV2 expands the portfolio of integrated graphics platforms for the Intel Pentium 4 processor. Featuring the Intel 845GE chipset, this desktop board delivers support for DDR 333 memory technology along with improved Intel Extreme Graphics. As an industry leader, Intel continues its tradition of delivering innovative desktop board technologies with Desktop Board D845GEBV2. PLATFORM FEATURES Intel Extreme Graphics with up to 64MB dynamic memory and up to 266 MHz graphics core speed: improved graphics engine provides enhanced visual effects. Supports the Intel Pentium 4 processor in the mPGA478-pin package, including the 533 MHz system bus: greater bandwidth for high-performance processors. Designed to support up to 2GB1 DDR3332 SDRAM memory: supporting the latest double data rate memory technology. Intel Precision Cooling Technology: Fan speeds adjust real time according to system temperatures to reduce unnecessary noise & energy consumption. Integrated Hi-Speed USB 2.0 technology: 3 up to 40 times the performance of USB 1.1. Intel Rapid BIOS Boot: accelerates Power on Self Test (POST) for fast system access. Instantly Available PC (suspend-to-RAM): enables advanced power saving features.
|Compatible Processors||Celeron, Pentium 4|
|Processor Socket||Socket 478|
|Chipset Type||Intel 845GE|
|Max Bus Speed||533 MHz|
|Installed Qty (Max Supported)||0 ( 1 )|
|Supported RAM Technology||DDR SDRAM|
|RAM Installed ( Max )||0 MB / 2 GB (max)|
|Supported RAM Speed||PC2100, PC2700|
|Graphics Controller||AGP 4x - Intel Extreme Graphics shared video memory (UMA)|
|Audio Output||Sound card|
|Signal Processor||Intel 845GE|
|Sound Output Mode||Stereo|
|Compliant Standards||AC '97, SoundMAX with SPX|
|BIOS Features||DMI 2.0 support, rapid BIOS boot, WfM 2.0 support, ACPI 1.0b support, Hyper-Threading Technology|
|Hardware Monitoring||CPU core temperature, chassis temperature, CPU fan tachometer, chassis fan tachometer, system voltage, CPU core voltage|
|Sleep / Wake Up||Wake on LAN (WOL)|
|Expansion / Connectivity|
|Expansion Slot(s)||1 ( 1 ) x processor - Socket 478 2 ( 2 ) x memory ( 2.5 V ) - DIMM 184-pin 5 ( 5 ) x PCI 1 ( 1 ) x AGP 4x ( 1.5 V ) 1 ( 1 ) x shared PCI / CNR|
|Storage Interfaces||ATA-100 - connector(s): 2 x 40pin IDC|
|Interfaces||4 x Hi-Speed USB - 4 pin USB Type A 1 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 storage - floppy interface - 34 pin IDC 1 x keyboard - generic - 6 pin mini-DIN (PS/2 style) 1 x mouse - generic - 6 pin mini-DIN (PS/2 style) 1 x display / video - VGA - 15 pin HD D-Sub (HD-15) 1 x audio - line-in - mini-phone stereo 3.5 mm 1 x audio - line-out - mini-phone stereo 3.5 mm 1 x microphone - input - mini-phone 3.5 mm 1 x audio - line-in - 4 pin MPC|
|Cables Included||IDE cable Floppy cable|
|Software Included||Drivers & utilities, Macromedia Shockwave Player, Intel Express Installer, Intel Active Monitor, RealOne Player, NTI CD-Maker, Norton Internet Security 2002, SoundMAX Cadenza|
|Compliant Standards||Plug and Play, FCC Class B certified, IC Class B, CSA, VCCI Class B ITE, EN50082, EN55022, IEC950, UL 1950|
|Service & Support||3 years warranty|
|Service & Support Details||Limited warranty - 3 years|
|Min Operating Temperature||32 °F|
|Max Operating Temperature||131 °F|
|Min Storage Temperature||-40 °F|
|Max Storage Temperature||158 °F|
|Universal Product Identifiers|
|Part Numbers||BLKD845GEBV2, BLKD845GEBV2L|
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