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Intel Desktop Boards
D845GRG and D845GBV
Product Guide
Order Number: A84615-001
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Revision History Revision Revision History Date ® -001 First release of the Intel Desktop Boards D845GRG and D845GBV April 2002 Product Guide. If an FCC declaration of conformity marking is present on the board, the following statement applies: FCC Declaration of Conformity This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference rec
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Contents 1 Desktop Board Features Components......................................................................................................................... 9 Processor............................................................................................................................11 Main Memory ......................................................................................................................12 ® Intel 845G Chipset....................................
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Intel Desktop Boards D845GRG and D845GBV Product Guide 2 Installing and Replacing Desktop Board Components Before You Begin ................................................................................................................21 Installing the I/O Shield .......................................................................................................22 Installing and Removing the Desktop Board........................................................................23 Installi
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Contents Boot Menu...........................................................................................................................58 Boot Device Priority Submenu....................................................................................59 Hard Disk Drives Submenu ........................................................................................59 Removable Devices Submenu....................................................................................60 ATAPI CD
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Intel Desktop Boards D845GRG and D845GBV Product Guide 12. Removing the Battery ...................................................................................................35 13. Back Panel Connectors ................................................................................................64 14. Audio Connectors.........................................................................................................65 15. Power and Hardware Control Connectors....................
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1 Desktop Board Features NOTE ✏ ® The Intel Desktop Board D845GRG layout was used for illustrations unless otherwise noted. ® Table 1 describes the major features of Intel Desktop Boards D845GRG and D845GBV. Table 1. Feature Summary Form Factors • microATX at 9.6 inches by 8.2 inches (Desktop Board D845GRG) • ATX at 12.0 inches by 8.2 inches (Desktop Board D845GBV) Processor Support for: ® ® • 533/400 MHz front side bus (FSB) Intel Pentium 4 processor in an mPGA- 478 socket ® ® •
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Intel Desktop Boards D845GRG and D845GBV Product Guide Table 1. Feature Summary (continued) ® LAN (optional) • Intel 82562ET 10/100 Mbit/sec Platform LAN Connect (PLC) device and RJ-45 connector Peripheral Interfaces • Up to six USB 2.0 ports — Four ports routed to the back panel — Two ports routed to the front panel USB header • Two IDE interfaces with Ultra DMA-33 and ATA-66/100 support • One diskette drive interface • One parallel port • Two serial ports (one via a board header)
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Desktop Board Features Components Figure 1 shows the location of the major components on Desktop Board D845GRG. F A B C D E G CC H I BB AA Z J Y K X L W V T R Q P O N M U S OM13590 A Audio codec P Primary IDE connector B Front panel audio header Q Speaker C Auxiliary line-in connector (ATAPI) R Battery D Rear chassis fan connector (tachometer input) S SCSI hard drive activity LED connector E CD-ROM connector (ATAPI) T Alternate power/sleep LED header F Back panel connectors U Ch
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Intel Desktop Boards D845GRG and D845GBV Product Guide Figure 2 shows the location of the major components on Desktop Board D845GBV. A B C D E F G CC H I BB AA Z J Y K L R Q W V T P O N M X U S OM13589 A Audio codec P Primary IDE connector B Front panel audio header Q Speaker C Auxiliary line-in connector (ATAPI) R Battery D Rear chassis fan connector (tachometer input) S SCSI hard drive activity LED connector E CD-ROM connector (ATAPI) T Alternate power/sleep LED header F Back pan
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Desktop Board Features Processor CAUTION Failure to use an ATX12V power supply, or not connecting the additional power supply lead to Desktop Board D845GRG or D845GBV may result in damage to the desktop board and/or power supply. Desktop Boards D845GRG and D845GBV support 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 mPGA
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Intel Desktop Boards D845GRG and D845GBV Product Guide Main Memory NOTE ✏ ® 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. Desktop Boards D845GRG and D845GBV suppo
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Desktop Board Features ® Intel 82845G Graphics Memory Controller Hub (GMCH) The GMCH provides the processor, system memory, AGP, and hub interfaces in the Intel 845 chipset platform. Features on Desktop Boards D845GRG and D845GBV 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 266/200 MHz operation NOTE ✏ 512 Mbit technology has not been validated on these boards • 1.5 V AGP interface with
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Intel Desktop Boards D845GRG and D845GBV Product Guide Graphics Subsystem The graphics subsystem features the following: • Intel 845G chipset • Intel Extreme Graphics • 1.5 V AGP connector Audio Subsystem The audio subsystem features the following: • Intel 845G chipset (AC ’97) • Analog Devices Inc. AD1981A audio codec NOTE ✏ 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 pass
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Desktop Board Features RJ-45 LAN Connector LEDs Two LEDs are built into the RJ-45 LAN connector. Table 3 describes the LED states when the board is powered up and the LAN subsystem is operating. Table 3. RJ-45 LAN Connector LEDs LED Color LED State Indicates Green Off 10 Mbit/sec data rate is selected. On 100 Mbit/sec data rate is selected. Yellow Off LAN link is not established. On (steady state) LAN link is established. On (brighter and pulsing) The computer is communicating with
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Intel Desktop Boards D845GRG and D845GBV Product Guide Expansion Slots Desktop Boards D845GRG and D845GBV have the following add-in card connectors: Desktop Board D845GRG has: • Three PCI bus add-in card connectors (SMBus routed to PCI bus connector 2) • One AGP connector • One optional CNR connector (slot shared with PCI bus connector 3) Desktop Board D845GBV has: • Six PCI bus add-in card connectors (SMBus routed to PCI bus connector 2) • One AGP connector • One optional CNR conn
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Desktop Board Features IDE Auto Configuration If you install an IDE device (such as a hard drive) in your computer, the IDE auto-configuration utility in the BIOS automatically detects and configures the device for your computer. You do not need to run the BIOS Setup program after installing an IDE device. 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
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Intel Desktop Boards D845GRG and D845GBV Product Guide Suspend to RAM (Instantly Available PC Technology) CAUTION For Instantly Available PC technology, the 5 V standby line for the power supply must be capable of delivering adequate +5 V standby current. Failure to provide adequate standby current when using this feature can damage the power supply and/or effect ACPI S3 sleep state functionality. Instantly Available technology enables the board to enter the ACPI S3 (Suspend-to-RAM) slee
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Desktop Board Features CAUTION Power supplies used with this board must be able to provide enough standby current to support the standard Instantly Available (ACPI S3 sleep state) configuration. If the standby current necessary to support multiple wake events from the PCI and/or USB buses exceeds power supply capacity, the Intel desktop board may lose register settings stored in memory. For more information on standby current requirements for these desktop boards, refer to the TPS by se
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Intel Desktop Boards D845GRG and D845GBV Product Guide Wake from PS/2 Keyboard/Mouse PS/2 keyboard/mouse activity wakes the computer from an ACPI S1 or S3 state. PME# Wakeup Support When the PME# signal on the PCI bus is asserted, the computer wakes from an ACPI S1, S3, or S5 state. Speaker A speaker is mounted on the desktop board. The speaker provides audible error code (beep code) information during the Power-On Self-Test (POST). Battery A battery on the Intel desktop board keeps
