Intel D845GRG Intel Desktop Boards D845RG/D845BV Product Guide English
Intel D845GRG Manual
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- Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 1
Intel® Desktop Boards D845GRG and D845GBV Product Guide Order Number: A84615-001 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 2
Intel® Desktop Boards D845GRG and D845GBV Product Guide. Date April 2002 If an FCC declaration of conformity marking is present on the board instructions, in connection with Intel® Intel may make changes to specifications and product descriptions at any time, without notice. Desktop Boards D845GRG - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 3
1 Desktop Board Features Components...9 Processor ...11 Main Memory ...12 Intel® 845G Chipset...12 Intel® 82845G Graphics Memory Controller Hub (GMCH 13 Intel® 82801DB I/O Controller Hub (ICH4 13 Firmware Hub (FWH 13 Input/Output (I/O) Controller 13 Graphics Subsystem ...14 Audio Subsystem - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 4
Audio Solution 31 Installing a Front Panel USB Solution 31 Clearing Passwords ...32 Replacing the Battery ...33 3 Updating the BIOS Updating the BIOS with the Intel® Express BIOS Update Utility 37 Updating the BIOS with the Intel® Flash Memory Update Utility 38 Obtaining the BIOS Update File - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 5
Connectors 65 Audio Connectors 65 Power and Hardware Connectors 66 Add-In Card and Peripheral Interface Connectors 67 Front Panel Headers 68 Desktop Board Resources 70 Memory Map ...70 DMA Channels ...70 Interrupts ...71 A Error Messages and Indicators BIOS Beep Codes ...73 BIOS Error Messages - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 6
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 66 16. Desktop Board D845GBV Add-in Card and Peripheral Interface Connectors 67 17. Front Panel Headers...68 Tables - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 7
mPGA- 478 socket • 400 MHz FSB Intel® Celeron® processor in an mPGA-478 socket • Two 184-pin, 2.5 V SDRAM Dual Inline Memory Module (DIMM) sockets • 266/200 MHz DDR SDRAM interface • Designed to support up to 2 GB of system memory Chipset I/O Control Graphics Audio NOTE: Desktop Boards D845GRG and - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 8
temperature sensing • Voltage sensing to detect out of range values ✏ NOTE 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/ 8 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 9
sockets L Super I/O controller M Main power connector X Front panel header Y Intel 82801DB (ICH4) Z Front panel USB 2.0 header AA AGP connector BB PCI bus add-in card connectors N Diskette drive connector O Secondary IDE connector CC CNR (optional) Figure 1. Desktop Board D845GRG Components - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 10
Intel Desktop Boards D845GRG and D845GBV Product Guide Figure 2 shows the location of the major components on Desktop Board D845GBV. A B CD E F G CC H I BB AA Z J Y K L X WV UT S R Q PO NM OM13589 A Audio codec P Primary IDE connector B Front panel audio header Q Speaker C - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 11
site at: http://support.intel.com/support/motherboards/desktop/ For instructions on installing or upgrading the processor, see Chapter 2 on page 21. Desktop Boards D845GRG and D845GBV require an ATX12V compliant power supply to function according to desktop board specifications. Both boards have two - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 12
: http://support.intel.com/support/motherboards/desktop/ All memory components and DIMMs used with the Intel 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 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 13
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 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 14
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. Audio drivers and utilities are available from Intel's World Wide Web site: http://support.intel.com/support/motherboards/desktop - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 15
These Intel desktop boards support up to six USB 2.0 ports via ICH4; four ports routed to the back panel and two routed to a USB front panel header. between the processor and peripheral devices like hard disks, CD-ROM drives, and Iomega Zip† drives inside the computer. The interface supports: • Up - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 16
features such as audio, modem, USB, and LAN. BIOS The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, the PCI and IDE auto-configuration utilities, and the video BIOS. The BIOS is stored in the Firmware Hub. The BIOS can be updated by following the instructions in Chapter 3 on - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 17
(ACPI) • Suspend to RAM (Instantly Available PC technology) ACPI ACPI gives the operating system direct control over the power management and Plug & Play functions of a computer. The use of ACPI with Desktop Board D845GRG or D845GBV requires an operating system that provides full ACPI support. 17 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 18
state. The Intel desktop board's standby power indicator, shown in Figure 3, is lit when there is standby power to the system. This includes the memory modules and PCI bus connectors, even when the computer appears to be off. If the system has a dual-colored power LED on the front panel, the sleep - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 19
. 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 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 20
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 the values in CMOS RAM and the clock current when the computer is turned off. See Chapter 2 starting on page 21 for instructions on how to replace - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 21
desktop board • Install and remove a processor • Install and remove memory • Install and remove an AGP card • Connect the IDE cable • Connect the front panel header • Set the BIOS jumper • Install the front panel audio solution • Install the front panel telecommunications links, networks, or modems - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 22
Intel Desktop Boards D845GRG and D845GBV Product Guide Installing the I/O Shield The Intel desktop board comes with an I/O shield. When installed in the chassis, the shield blocks radio frequency transmissions, protects internal components from dust and foreign objects, and promotes - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 23
Installing and Replacing Desktop Board Components Installing and Removing the Desktop Board Refer to your chassis manual for instructions on installing and removing the Intel desktop board. WARNING This procedure should be done only by qualified technical personnel. Disconnect the computer from its - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 24
Intel Desktop Boards D845GRG and D845GBV Product Guide Installing and Removing a Processor Instructions on how to install the processor to the Intel desktop board are given below. Installing a Processor CAUTION Before installing or removing the processor, make sure that AC power has been removed by - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 25
Connecting the Processor Fan Heat Sink Cable to the Processor Fan Connector Removing the Processor For instruction on how to remove the processor fan heat sink and processor, refer to the processor installation manual or the Intel World Wide Web site at: http://support.intel.com/support/processors - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 26
SDRAM memory specifications, the boards require DIMMs that support the Serial Presence Detect (SPD) data structure. You can access the PC Serial Presence Detect Specification at: http://www.intel.com/technology/memory/pcsdram/spec/ Desktop Boards D845GRG2 and D845GBV have two 184-pin DIMM sockets - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 27
the DIMM sockets. 10. Replace the computer's cover and reconnect the AC power cord. Installing and Removing an AGP Card The AGP connector supports 1.5 V 4X and 2X AGP cards. Intel desktop boards have an integrated AGP card retention mechanism (RM). Installing an AGP Card Follow these instructions to - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 28
Intel Desktop Boards D845GRG and D845GBV Product Guide Removing the AGP Card Follow these instructions to remove the AGP card from the RM: 1. Remove the screw (B) that secures the card's metal bracket (A) to the chassis back panel. 2. Push back on the RM lever (D), as shown in Figure 9, until the - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 29
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. For correct function of the cable: • Attach the cable end with the single connector to the Intel desktop board. • Attach the cable end with the two closely spaced connectors to - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 30
Intel Desktop Boards D845GRG and D845GBV Product Guide Connecting the Front Panel Header Before connecting the front panel header, observe the precautions in "Before You Begin" on page 21. Refer to Table 31 on page 69 for pin assignments. Setting the BIOS Configuration Jumper Block CAUTION Always - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 31
Installing and Replacing Desktop Board Components Installing a Front Panel Audio Solution 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 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 32
Desktop Boards D845GRG and D845GBV Product Guide Clearing Passwords This procedure assumes that the board is installed in the computer and the configuration jumper block is set to normal mode. 1. Observe the precautions in "Before You Begin" on page 21. 2. Turn off all peripheral devices connected - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 33
Desktop Board Components Replacing the Battery A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When the computer is not plugged into a wall socket voltage drops below a certain level, the BIOS Setup program settings stored in CMOS RAM (for example, the date and time) might - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 34
Intel Desktop Boards D845GRG and D845GBV Product Guide VORSICHT Bei falschem Einsetzen einer neuen Batterie besteht Explosionsgefahr. Die Batterie darf nur durch denselben oder einen entsprechenden, vom Hersteller empfohlenen Batterietyp ersetzt werden. Entsorgen - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 35
Desktop Board Components To replace the battery, follow these steps: 1. Observe the precautions in "Before You Begin" (see page 21). 2. Turn off all peripheral devices connected on the board (see Figure 12). 5. With a medium flat-bladed screwdriver, gently pry the battery free from its connector - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 36
Intel Desktop Boards D845GRG and D845GBV Product Guide 36 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 37
the Intel Express BIOS Update utility: 1. Go to the Intel World Wide Web site: http://support.intel.com/support/motherboards/desktop/ 2. Navigate to the Desktop Board D845GRG or D845GBV page and click the Express BIOS Update utility file for the Desktop Board D845GRG or D845GBV BIOS. 3. Download the - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 38
: • New BIOS files • BIOS recovery files • Intel Flash Memory Update Utility You can obtain the BIOS update file through your computer supplier or by navigating to the Desktop Board D845GRG or D845GBV page on the Intel World Wide Web site: http://support.intel.com/support/motherboards/desktop ✏ NOTE - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 39
explain how to recover the BIOS if an update fails. The following procedure uses recovery mode for the Setup program. See page 30 for more information on Setup modes. ✏ NOTE Because of the small amount of code available in the boot block area, there is no video support. You will not see anything - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 40
Intel Desktop Boards D845GRG and D845GBV Product Guide 40 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 41
section may not show the latest settings. For the latest BIOS settings, refer to the Intel Desktop Board D845GRG/D845GBV Technical Product Specification or the Intel World Wide Web site: http://support.intel.com/support/motherboards/desktop ✏ NOTE For reference purposes, you should write down the - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 42
Intel Desktop Boards D845GRG and D845GBV Product Guide Table 6 shows the function keys available for menu screens. Table 6. BIOS Setup Program Function Keys BIOS Setup Program Function Key or or Description Selects a different menu screen Moves cursor up - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 43
and system time. Table 8. Main Menu Feature BIOS Version Processor Type Processor Speed System Bus Speed System Memory Speed Cache RAM Options No options No options No options No options No options No options Total Memory Memory Bank 0 Memory Bank 1 Language System Time System Date No options - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 44
Intel Desktop Boards D845GRG and D845GBV Product Guide Advanced Menu Maintenance Main Advanced Security Power Boot Exit PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB Configuration Chipset - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 45
Using the BIOS Setup Program PCI Configuration Submenu Maintenance Main Advanced Security Power Boot Exit PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB Configuration Chipset - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 46
Intel Desktop Boards D845GRG and D845GBV Product Guide Boot Configuration Submenu Maintenance Main Advanced Security Power Boot Exit PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 47
BIOS Setup Program Peripheral Configuration Submenu Maintenance Main Advanced Security Power Boot Exit PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB Configuration Chipset first free COM - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 48
Intel Desktop Boards D845GRG and D845GBV Product Guide Table 12. Peripheral Configuration Submenu (continued) Feature 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 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 49
Configuration Event Log Configuration Video Configuration USB Configuration Chipset Configuration This submenu shown in Table 13 is used to configure IDE device options. Table 13. IDE Configuration Submenu Feature Options Description IDE Controller • Disabled • Primary • Secondary • Both - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 50
Intel Desktop Boards D845GRG and D845GBV Product Guide Primary/Secondary IDE Master/Slave Submenus Maintenance Main Advanced Security PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 51
Configuration Diskette Configuration Event Log Configuration Video Configuration USB Configuration Chipset Configuration This submenu shown in Table 15 is used to configure the floppy drive. Table 15. Diskette Configuration Submenu Feature Floppy Controller Floppy A Floppy Write Protect Options - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 52
Intel Desktop Boards D845GRG and D845GBV Product Guide Event Log Configuration Submenu Maintenance Main Advanced Security Power Boot Exit PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 53
• 512 KB • 1 MB (default) • 8 MB Description Amount of system memory available for direct access by the graphics device. Allows selecting and 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 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 54
Intel Desktop Boards D845GRG and D845GBV Product Guide USB Configuration Submenu Maintenance Main Advanced Security Power Boot Exit PCI Configuration Boot Configuration Peripheral Configuration IDE Configuration Diskette Configuration Event Log Configuration Video Configuration USB - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 55
Event Log Configuration Video Configuration USB Configuration Chipset Configuration The menu shown in Table 19 is used to configure advanced chipset features. Table 19. Chipset Configuration Submenu Feature Extended Configuration SDRAM Frequency SDRAM Timing Control Options • Default (default - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 56
Intel Desktop Boards D845GRG and D845GBV Product Guide Security Menu Maintenance Main Advanced User access Level (Note 2) • Limited • No access • View Only • Full (default) Sets BIOS Setup Utility access rights for user level. Notes: 1. This feature appears only if a user password has - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 57
Using the BIOS Setup Program Power Menu Maintenance Main Advanced Security Power Boot The submenu represented in Table 22 is for setting the ACPI features. Table 22. ACPI Submenu Feature Suspend Mode Wake on LAN from S5 Options • S1 (POS) only (default) • S1 & S3 (STR) • Stay Off (default) • - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 58
Intel Desktop Boards D845GRG and D845GBV Product Guide Boot Menu Maintenance Main Advanced Security Power Boot Exit The menu shown in Table 23 is used to set the boot features and the boot sequence. Table 23. Boot Menu Feature Silent Boot Intel® Rapid BIOS Boot Scan User Flash Area PXE - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 59
first through final boot devices are, respectively listed below. The BIOS supports up to sixteen total boot devices in any combination of the (maximum of four). • Hard Drive (maximum of 12). • ATAPI CD-ROM (maximum of four). Hard Disk Drives Submenu Maintenance Main Advanced Security - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 60
Intel Desktop Boards D845GRG and D845GBV Product Guide Removable Devices Submenu Maintenance Main Advanced Security Power The submenu in shown Table 26 is for setting removable devices. Boot Exit Boot Device Priority Hard Disk Drives Removable Devices ATAPI CD-ROM Drives Table 26. - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 61
Defaults 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. Discard Changes Discards changes without exiting - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 62
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Board Connectors Intel desktop board connectors can be divided into three groups: • Back panel connectors • Midboard connectors - Audio connectors - Power and hardware connectors - Add-in board and peripheral interface connectors • Front panel headers CAUTION Many of the midboard and front panel - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 64
Intel Desktop Boards D845GRG and D845GBV Product Guide Back Panel Connectors Figure 13 shows the back panel connectors. A E H C BD F G Item A B C D E F G H I J K L M Description PS/2 mouse port PS/2 keyboard port USB 2.0 port 0 USB 2.0 port 1 Parallel port Serial port A VGA port RJ-45 ( - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 65
1 Technical Reference Item A B C Description Front panel audio Auxiliary line in (ATAPI) CD-ROM (ATAPI) Color Black White Black Figure 14. Audio Connectors Table 29 shows the pin assignments for the front panel audio header. Table 29. Front Panel Audio Header Signal Names (J8A1) Pin Signal - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 66
Intel Desktop Boards D845GRG and D845GBV Product Guide Power and Hardware Connectors CAUTION Failure to use an ATX12V power supply, or not connecting the additional power supply lead to the Desktop Boards D845GRG or D845GBV may result in damage to the desktop board. Desktop Boards D845GRG and - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 67
Card and Peripheral Interface Connectors Figure 16 shows the add-in card and peripheral interface connectors for Desktop Board D845GBV. Desktop Board D845GRG has three PCI slots. AB C D E F G H 2 40 1 39 2 1 40 39 2 1 34 33 K J OM13615 I Item A B C D E F Description CNR (optional) PCI - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 68
Intel Desktop Boards D845GRG and D845GBV Product Guide Front Panel Headers Figure 17 shows the location of the front panel headers. 1 2 3 4 A5 6 7 9 10 1 2 3 4 B5 6 7 8 10 1 2 3 4 C5 6 7 8 9 D Item A B C D OM13616 Description Front panel audio (see Table 29 on page 65 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 69
Power LED 2 HDR_BLNK_GRN Out Front panel green LED 3 HDA# Out Hard disk active LED 4 HDR_BLNK_YEL Out Front panel yellow LED Reset Switch On/Off Switch 5 Ground 7 FP_RESET# In 9 +5 V Out Ground Reset switch Power 6 SWITCH_ON# In 8 Ground 10 N/C Power switch Ground Not connected 69 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 70
Intel Desktop Boards D845GRG and D845GBV Product Guide Desktop Board Resources Memory Map Table 32. System Memory Map Address Range (decimal) Address Range (hex) 1024 K - 2097152 K 100000 - 7FFFFFF 960 K - 1024 K F0000 - FFFFF 896 K - 960 K E0000 - EFFFF 800 K - 896 K C8000 - DFFFF 640 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 71
, keyboard buffer full 2 Reserved, cascade interrupt from slave PIC 3 COM2* 4 COM1* 5 LPT2 (Plug and Play option) / ** 6 Floppy drive controller 7 LPT1* 8 Real time clock 9 ** 10 ** 11 ** 12 Onboard mouse port (if present, else user available) 13 Reserved, math coprocessor - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 72
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Boards D845GRG and D845GBV report POST errors in two ways: • By sounding a beep code • By displaying an error message on the monitor BIOS Beep Codes The BIOS beep codes are listed in Table 35. The BIOS also issues a beep code (one long tone followed by two short tones) during POST if the video - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 74
Intel Desktop Boards D845GRG and D845GBV Product Guide BIOS Error Messages When a recoverable error occurs during the POST, the BIOS displays an error message describing the problem. Table 36. BIOS Error Messages Error Message Explanation GA20 Error An error occurred with Gate-A20 when - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 75
Error Messages and Indicators Table 36. BIOS Error Messages (continued) 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 Pressed - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 76
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Desktop Boards D845GRG and D845GBV. • Instructions and precautions for integrators who are installing the desktop board in a chassis. Safety Regulations Desktop Boards D845GRG (Class B) CISPR 24: 1997 Title Title 47 of the Code of Federal Regulations, Parts 2 and 15, Subpart B, Radiofrequency - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 78
Guide Product Certification Markings Desktop Boards D845GRG and D845GBV have the following product certification markings: • UL joint US/Canada Recognized Component mark: consists of small c followed by a stylized backward UR and followed by a small US. Includes adjacent UL file number for Intel - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 79
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 - Intel D845GRG | Intel Desktop Boards D845RG/D845BV Product Guide English - Page 80
requirements. The Industry Canada statement at the front of this product guide demonstrates compliance with Canadian EMC regulations. Industry according to the manufacturer's instructions. Use Only for Intended Applications All Intel desktop processor boards are evaluated as Information Technology
Intel
®
Desktop Boards
D845GRG and D845GBV
Product Guide
Order Number:
A84615-001