Intel D845GVFN Product Specification

Intel D845GVFN Manual

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  • Intel D845GVFN | Product Specification - Page 1
    August 2004 Order Number: C83644-001 The Intel® Desktop Board D845GVFN may contain design defects or errors known as errata that may cause the product to deviate from published specifications. Current characterized errata are documented in the Intel Desktop Board D845GVFN Specification Update.
  • Intel D845GVFN | Product Specification - Page 2
    ® Desktop Board D845GVFN Technical Product Specification. Date August 2004 This product specification applies to only standard Intel® Desktop Board D845GVFN with BIOS identifier FN84510A.86A. Changes to this specification will be published in the Intel Desktop Board D845GVFN Specification Update
  • Intel D845GVFN | Product Specification - Page 3
    information. It is specifically not intended for general audiences. What This Document Contains Chapter 1 2 3 4 Description A description of the hardware used on the Desktop Board D845GVFN A map of the resources of the desktop board The features supported by the BIOS Setup program A description
  • Intel D845GVFN | Product Specification - Page 4
    Intel Desktop Board D845GVFN Technical Product Specification Other Common Notation # (NxnX) GB GB/ component, N indicates component type, xn are the relative coordinates of its location on the Desktop Board D845GVFN, and X is the instance of the particular part at that general location. For example
  • Intel D845GVFN | Product Specification - Page 5
    Diagram...13 1.3 Online Support ...14 1.4 Operating System Support 14 1.5 Design Specifications 15 1.6 Processor ...18 1.7 System Memory ...19 1.8 Intel® 845GV Chipset 21 1.8.1 Intel® Extreme Graphics Controller 21 1.8.2 USB ...26 1.8.3 IDE Interfaces 26 1.8.4 Real-Time Clock, CMOS SRAM, and
  • Intel D845GVFN | Product Specification - Page 6
    Intel Desktop Board D845GVFN Technical Product Specification 2.8 Connectors...45 2.8.1 Back Panel Connectors 46 2.8.2 Internal I/O Connectors 47 2.8.3 External I/O Connectors 52 2.9 Jumper Blocks...56 2.9.1 Front Panel Audio Connector/Jumper Block 56 2.9.2 BIOS Setup Configuration Jumper Block
  • Intel D845GVFN | Product Specification - Page 7
    2. Manufacturing Options 11 3. Specifications ...15 4. Supported System Bus Frequency and Memory Speed Combinations 19 5. Supported DDR DIMM Configurations 20 6. Direct Draw Supported Modes 22 7. Video BIOS Video Modes Supported for Analog CRTs 23 8. Supported Configuration Modes 24 9. Details
  • Intel D845GVFN | Product Specification - Page 8
    Considerations for Components 62 40. Desktop Board D845GVFN Environmental Specifications 63 41. Safety Regulations ...64 42. EMC Regulations ...64 43. Product Certification Markings 66 44. BIOS Setup Program Menu Bar 68 45. BIOS Setup Program Function Keys 68 46. Boot Device Menu Options 72 47
  • Intel D845GVFN | Product Specification - Page 9
    ...10 1.2 Block Diagram...13 1.3 Online Support ...14 1.4 Operating System Support 14 1.5 Design Specifications 15 1.6 Processor ...18 1.7 System Memory ...19 1.8 Intel® 845GV Chipset 21 1.9 I/O Controller...28 1.10 Audio Subsystem ...29 1.11 LAN Subsystem (Optional 30 1.12 Hardware Management
  • Intel D845GVFN | Product Specification - Page 10
    SDRAM Dual Inline Memory Module (DIMM) sockets • Support for single-sided or double-sided DIMMs (DDR333/266/200) • Support for up to 2 GB system memory Chipset Video Intel® 845GV Chipset, consisting of: • Intel® 82845GV Graphics and Memory Controller Hub (GMCH) • Intel® 82801DB I/O Controller Hub
  • Intel D845GVFN | Product Specification - Page 11
    the manufacturing options on the Desktop Board D845GVFN. Not every manufacturing option is available in all marketing channels. Please contact your Intel representative to determine which manufacturing options are available to you. Table 2. Manufacturing Options LAN Intel® 82562ET 10/100 Mbit/sec
  • Intel D845GVFN | Product Specification - Page 12
    Intel Desktop Board D845GVFN Technical Product Specification 1.1.3 Board Layout Figure 1 shows the location of the major components on the Desktop Board D845GVFN. A B CD E BB F G H AA I Z J Y K X L W VU T S R Q PO NM OM17296 Item A B C D E F G H I J K L M N Description Audio codec
  • Intel D845GVFN | Product Specification - Page 13
    PS/2 Mouse PS/2 Keyboard Diskette Drive Connector Intel 82845GV Graphics and Memory Controller Hub (GMCH) AHA Bus VGA Port DIMM Banks (2) Display Interface Memory Bus SMBus PCI Bus Intel 82801DB I/O Controller Hub (ICH4) 3 Mbit Firmware Hub (FWH) Intel 845GV Chipset CSMA/CD Unit Interface AC
  • Intel D845GVFN | Product Specification - Page 14
    for the Desktop Board D845GVFN Processor data sheets ICH4 addressing Custom splash screens Audio software and utilities LAN software and drivers Visit this World Wide Web site: http://www.intel.com/design/motherbd http://support.intel.com/support/motherboards/desktop http://developer.intel.com
  • Intel D845GVFN | Product Specification - Page 15
    applicable to the Desktop Board D845GVFN. Table 3. Specifications Reference Name AC '97 ACPI ASF ATA/ ATAPI-5 ATX ATX12V BIS DDR SDRAM Specification Title Audio Codec '97 Advanced Configuration and Power Interface Specification Alert Standard Format (ASF) Specification Information Technology-AT
  • Intel D845GVFN | Product Specification - Page 16
    Intel Desktop Board D845GVFN Technical Product Specification Table 3. Specifications (continued) Reference Name EHCI EPP El Torito LPC MicroATX PCI Plug and Play PXE SFX Specification Title Enhanced Host Controller Interface Specification for Universal Serial Bus IEEE Std 1284.1-1997 (Enhanced
  • Intel D845GVFN | Product Specification - Page 17
    (continued) Reference Name SMBIOS TFX12V UHCI USB Specification Title System Management BIOS TFX12V Power Supply Design Guide Universal Host Controller Interface Design Guide Universal Serial Bus Specification Version, Revision Date and Ownership Version 2.3.1, March 16, 1999, American
  • Intel D845GVFN | Product Specification - Page 18
    Intel Desktop Board D845GVFN Technical Product Specification 1.6 Processor NOTE Refer to Thermal Considerations (Section 2.12, page 61) for important information when using an Intel Pentium 4 processor operating above 2.80 GHz with this Intel desktop board. The board is designed to support the
  • Intel D845GVFN | Product Specification - Page 19
    with all applicable DDR SDRAM memory specifications, the board should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. This allows the BIOS to read the SPD data and program the chipset to accurately configure memory settings for optimum performance. For
  • Intel D845GVFN | Product Specification - Page 20
    Intel Desktop Board D845GVFN Technical Product Specification Table 5 lists the supported DDR DIMM configurations. Table 5. Supported DDR DIMM 64 M x 8 16 Note: In this column, "DS" refers to double-sided memory modules (containing DDR SDRAM devices on both sides) and "SS" refers to single-sided
  • Intel D845GVFN | Product Specification - Page 21
    for the board's I/O paths. The FWH provides the nonvolatile storage of the BIOS. For information about The Intel 845GV chipset Resources used by the chipset Refer to http://developer.intel.com/ Chapter 2 1.8.1 Intel® Extreme Graphics Controller The Intel Extreme Graphics controller features
  • Intel D845GVFN | Product Specification - Page 22
    Intel Desktop Board D845GVFN Technical Product Specification Table 6 lists the Direct Draw supported modes. Table 6. Direct Draw Supported Modes Resolution 320 x 200 Y 64 K colors 70 3 16 M colors 70 3 Notes: Y = Supported in driver without Direct3D* and OpenGL* 3 = Direct3D and OpenGL 22
  • Intel D845GVFN | Product Specification - Page 23
    Product Description Table 7 lists the video BIOS video modes supported by the graphics subsystem. Table 7. Video BIOS Video Modes Supported for Analog CRTs Resolution 320 x 200 320 x 350 360 x 400 640 x 200 640 x 350 640 x 480 Color Palette 16 colors 256 colors 16 colors 16
  • Intel D845GVFN | Product Specification - Page 24
    Intel Desktop Board D845GVFN Technical Product Specification Table 8 lists the supported configuration modes of the graphics subsystem. Table 8. Supported Configuration Modes Resolution Available Refresh Frequencies (Hz) Supported bpp Configuration Mode (see Table 9 for more information) 640 x
  • Intel D845GVFN | Product Specification - Page 25
    The use of DVMT requires operating system driver support. For information about Obtaining the DVMT white paper Refer to http://developer.intel.com/design/chipsets/845gv/ 1.8.1.2 Zone Rendering Technology (ZRT) The Intel Extreme Graphics Controller supports Zone Rendering Technology (ZRT). ZRT is
  • Intel D845GVFN | Product Specification - Page 26
    about Obtaining the Zone Rendering white paper Refer to http://developer.intel.com/design/chipsets/845gv/ 1.8.2 USB The board supports up to four USB 2.0 ports, fully supports UHCI and EHCI, and uses UHCI- and EHCI-compatible drivers. For more than four USB devices, an external hub can be
  • Intel D845GVFN | Product Specification - Page 27
    rate and translation mode to the BIOS. The desktop boards support Laser Servo (LS-120) diskette technology through the IDE interfaces. The BIOS supports booting from an LS-120 drive. NOTE The BIOS will always recognize an LS-120 drive as an ATAPI floppy drive. To ensure correct operation, do not
  • Intel D845GVFN | Product Specification - Page 28
    Intel Desktop Board D845GVFN Technical Product Specification 1.9 I/O Controller The SMSC LPC47M172 or National Semiconductor PC87372 I/O controller provides the following features: • One serial port • One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support
  • Intel D845GVFN | Product Specification - Page 29
    Product Description 1.10 Audio Subsystem The audio subsystem consists of the following devices: • Intel 82801DB I/O Controller Hub (ICH4) • Realtek ALC202A audio codec The audio subsystem includes these features: • Signal-to-noise ratio ≥ 90 dB • Supports wake events (driver dependent) • Mic in pre
  • Intel D845GVFN | Product Specification - Page 30
    Intel Desktop Board D845GVFN Technical Product Specification 1.10.1.3 ATAPI CD-ROM Audio Connector (Optional) An optional 1 x 4-pin ATAPI-style connector connects an internal ATAPI CD-ROM drive to the audio mixer. For information about The location of the ATAPI CD-ROM connector The signal names of
  • Intel D845GVFN | Product Specification - Page 31
    from Intel's World Wide Web site. For information about Obtaining LAN software and drivers Refer to Section 1.3, page 14 1.12 Hardware Management Subsystem (Optional) The hardware management features enable the boards to be compatible with the Wired for Management (WfM) specification. The board
  • Intel D845GVFN | Product Specification - Page 32
    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
  • Intel D845GVFN | Product Specification - Page 33
    and user settings to put the system as a whole into a low-power state. Table 12 lists the power states supported by the Desktop Board D845GVFN along with the associated system power targets. See the ACPI specification for a complete description of the various system and power states. 33
  • Intel D845GVFN | Product Specification - Page 34
    Intel Desktop Board D845GVFN Technical Product Specification Table 12. Power States and Targeted Processor stopped 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. Processor
  • Intel D845GVFN | Product Specification - Page 35
    ACPI support. In addition, software, drivers, and peripherals must fully support ACPI wake events. 1.13.2 Hardware Support CAUTION supported and manufacturing options. The Desktop Board D845GVFN provides several power management hardware features, including: • Power connector • Fan connectors • LAN
  • Intel D845GVFN | Product Specification - Page 36
    Intel Desktop Board D845GVFN Technical Product Specification 1.13.2.1 Power Connector ATX12V-, SFX12V-, in the BIOS Setup program's Boot menu. For information about The location of the power connector The signal names of the power connector The ATX, SFX, and TFX12V specifications Refer to Figure
  • Intel D845GVFN | Product Specification - Page 37
    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. 1.13
  • Intel D845GVFN | Product Specification - Page 38
    Intel Desktop Board D845GVFN Technical Product Specification CR1F1 OM17297 Figure 3. Location of the Standby Power Indicator LED on the D845GVFN Board the use of a USB peripheral that supports Wake from USB. 1.13.2.8 Wake from state. 1.13.2.9 PME# Signal Wake-up Support When the PME# signal on the PCI
  • Intel D845GVFN | Product Specification - Page 39
    - 7FFFF Size 2047 MB 64 KB 64 KB 96 KB 160 KB 1 KB 127 KB 512 KB Description Extended memory Runtime BIOS Reserved Available high DOS memory (open to the PCI bus) Video memory and BIOS Extended BIOS data (movable by memory manager software) Extended conventional memory Conventional memory 39
  • Intel D845GVFN | Product Specification - Page 40
    Intel Desktop Board D845GVFN Technical Product Specification 2.3 Fixed I/O Map Table 16. I/O Map Address (hex) 0000 - 00FF 4 bytes 1 byte 4 bytes 8 bytes 8 bytes Description Used by the Desktop Board D845GVFN. Refer to the ICH4 data sheet for dynamic addressing information. Secondary IDE channel
  • Intel D845GVFN | Product Specification - Page 41
    16 bits 16 bits System Resource Open Parallel port Diskette drive Parallel port (for ECP or EPP) DMA controller Open Memory controller of Intel 82845GV component Intel Extreme Graphics Controller Hub link to PCI bridge Intel 82801DB ICH4 PCI to LPC bridge IDE controller SMBus controller AC '97 audio
  • Intel D845GVFN | Product Specification - Page 42
    Intel Desktop Board D845GVFN Technical Product Specification 2.6 Interrupts The interrupts can be routed through either the Programmable Interrupt Controller (PIC) or the Advanced Programmable Interrupt Controller (APIC) portion of the ICH4 component. The PIC is supported in Windows 98 SE and
  • Intel D845GVFN | Product Specification - Page 43
    the PCI bus connectors and onboard PCI devices. The PCI specification specifies how interrupts can be shared between devices attached to signals. Some PCI interrupt sources are electrically tied together on the Desktop Board D845GVFN and therefore share the same interrupt. Table 20 shows an example
  • Intel D845GVFN | Product Specification - Page 44
    Intel Desktop Board D845GVFN Technical Product Specification Table 20. PCI Interrupt Routing Map PCI Interrupt Source Intel Extreme Graphics Controller ICH4 USB UHCI controller 1 SMBus controller ICH4 USB UHCI controller 2 AC '97 ICH4 Audio/Modem ICH4 LAN ICH4 USB UHCI controller 3 ICH4 USB 2.0
  • Intel D845GVFN | Product Specification - Page 45
    port ⎯ Serial port A ⎯ VGA port ⎯ LAN (optional) ⎯ Audio (line out, line in, and mic in) • Internal I/O connectors (see page 47) ⎯ Audio (auxiliary line input, ATAPI CD-ROM, and front panel audio) ⎯ Fans ⎯ Power ⎯ Add-in boards (PCI) ⎯ IDE ⎯ Diskette drive ⎯ Chassis intrusion (optional) • External
  • Intel D845GVFN | Product Specification - Page 46
    Intel Desktop Board D845GVFN Technical Product Specification 2.8.1 Back Panel Connectors Figure 4 B PS/2 keyboard port C Serial port A D Parallel port E VGA F LAN (optional) G USB ports H Audio line in I Mic in J Audio line out Color Green Purple Teal Burgundy Dark blue Black Black Light
  • Intel D845GVFN | Product Specification - Page 47
    NOTE This document references back-panel slot numbering with respect to processor location on the desktop board. PCI slots are identified as PCI slot #x, starting with the slot closest to the processor. The ATX/microATX specifications identify expansion slot locations with respect to the far edge of
  • Intel D845GVFN | Product Specification - Page 48
    Intel Desktop Board D845GVFN Technical Product Specification 2.8.2.2 Audio, Power, and Hardware Control Connectors Figure 5 shows the location of the audio audio Auxiliary line in, ATAPI style (gray) [optional] ATAPI CD-ROM (black) [optional] +12 V power connector (ATX12V) Rear chassis fan Processor
  • Intel D845GVFN | Product Specification - Page 49
    power for the processor. Always connect the 20-pin and 4-pin leads of ATX12V, SFX12V, and TFX12V power supplies to the corresponding connectors on the desktop board, otherwise the desktop board will not boot. • Do not use a standard ATX power supply. The desktop board will not boot with a standard
  • Intel D845GVFN | Product Specification - Page 50
    Intel Desktop Board D845GVFN Technical Product Specification Table 25. Rear Chassis Fan Connector Pin Signal Name 1 Ground (default) or FNT_REAR_FAN_CTRL (optional) 2 +12 V 3 No connect (default) or REAR_TACH_OUT (optional) Table 26. Processor Fan Connector Pin Signal Name 1 Ground (
  • Intel D845GVFN | Product Specification - Page 51
    for the Desktop Board D845GVFN. Note the following considerations for the PCI bus connectors: • All of the PCI bus connectors are bus master capable. • SMBus signals are routed to PCI bus connector 2, enabling PCI bus add-in boards with SMBus support to access sensor data on the desktop board. The
  • Intel D845GVFN | Product Specification - Page 52
    Intel Desktop Board D845GVFN Technical Product Specification 2.8.3 External I/O Connectors Figure 7 shows the locations of the external I/O connectors. Item A B C D 1 D 2 7 10 1 2 C 8 9 13 91 A 82 B OM17301 Description Serial Port B (optional) Auxiliary front panel power/sleep
  • Intel D845GVFN | Product Specification - Page 53
    connector. Figure 8 is a connection diagram for the front panel connector. Table 32. Front Panel Connector Pin Signal In/Out Description Pin Hard Drive Activity LED 1 HD_PWR Out Hard disk LED pull-up 2 (750 Ω) to +5 V 3 HAD# Out Hard disk active LED 4 Reset Switch 5 Ground Ground
  • Intel D845GVFN | Product Specification - Page 54
    Intel Desktop Board D845GVFN Technical Product Specification 2.8.3.2.1 Hard Drive Activity LED Connector Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is being read from or written to a hard drive. For the LED to function properly, an IDE drive must be connected to
  • Intel D845GVFN | Product Specification - Page 55
    one USB port. • Pins 2, 4, 6, and 8 comprise one USB port. • Use only a front panel USB connector that conforms to the USB 2.0 specification for high- speed USB devices. Power (+5 V DC) One D− USB Port D+ Ground Key (no pin) 1 2 3 4 5 6 7 8 10 Power (+5 V DC) D− One USB D+ Port
  • Intel D845GVFN | Product Specification - Page 56
    Intel Desktop Board D845GVFN Technical Product Specification 2.9 Jumper Blocks CAUTION Do not move any jumpers with the power on. Always turn off the power and unplug the power cord from the computer before changing a jumper setting. Otherwise, the desktop board could be damaged. Figure 10 shows the
  • Intel D845GVFN | Product Specification - Page 57
    one described in Table 35. Other jumper configurations are not supported and could damage the desktop board. Table 35. Front Panel Audio Connector/Jumper Block Jumper Setting 1 2 3 4 5 6 7 9 10 1 and 2 5 and 6 9 and 10 Configuration Audio line out signals are routed to the back panel
  • Intel D845GVFN | Product Specification - Page 58
    Intel Desktop Board D845GVFN Technical Product Specification 2.10 Mechanical Considerations The Desktop Board D845GVFN is designed to fit into either a microATX or an ATX-form-factor chassis. Figure 11 illustrates the mechanical form factor for the desktop board. Dimensions are given in inches [
  • Intel D845GVFN | Product Specification - Page 59
    Desktop Board D845GVFN must meet specific dimension and material requirements. Systems based on this desktop board specification. See Section 1.5 for information about the ATX specification. INTEGRATOR'S NOTE An I/O shield compliant with the ATX chassis specification 2.03 is available from Intel
  • Intel D845GVFN | Product Specification - Page 60
    Intel Desktop Board D845GVFN Technical Product Specification 2.11 Electrical Considerations 2.11.1 DC Loading Table 37 lists the DC loading characteristics of the board. This data is based on a DC analysis of all active components within the board that impact its power delivery subsystems. The
  • Intel D845GVFN | Product Specification - Page 61
    timing parameters (Section 4.2.1.3) • All voltage tolerances (Section 4.2.2) For information about The ATX form factor specification Refer to Section 1.5, page 15 2.12 Thermal Considerations CAUTION The use of an Intel Pentium 4 processor operating above 2.80 GHz with this Intel desktop board
  • Intel D845GVFN | Product Specification - Page 62
    to cool the Desktop Board D845GVFN. Table 39. Thermal Considerations for Components Component Maximum Case Temperature Intel Pentium 4 processor Intel 82845GV GMCH Intel 82801DB ICH4 For processor case temperature, see processor datasheets and processor specification updates 92 oC (under
  • Intel D845GVFN | Product Specification - Page 63
    from predicted data at 55 ºC. The Desktop Board D845GVFN MTBF is 149979.68 hours. 2.14 Environmental Table 40 lists the environmental specifications for the Desktop Board D845GVFN. Table 40. Desktop Board D845GVFN Environmental Specifications Parameter Temperature Non-Operating Operating Shock
  • Intel D845GVFN | Product Specification - Page 64
    Intel Desktop Board D845GVFN Technical Product Specification 2.15 Regulatory Compliance This section describes the desktop boards' compliance with U.S. and international safety and electromagnetic compatibility (EMC) regulations. 2.15.1 Safety Regulations Table 41 lists the safety regulations the
  • Intel D845GVFN | Product Specification - Page 65
    and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there of Conformity Statement We, Intel Corporation, declare under our sole responsibility that the product: Intel® Desktop Board D845GVFN is in conformity with
  • Intel D845GVFN | Product Specification - Page 66
    Intel Desktop Board D845GVFN Technical Product Specification 2.15.4.1 Disposal Considerations This product contains the following materials that may be regulated upon disposal: lead solder on the printed wiring board assembly. 2.15.4.2 Recycling Considerations Intel encourages its customers to
  • Intel D845GVFN | Product Specification - Page 67
    3.2 BIOS Flash Memory Organization 68 3.3 Resource Configuration 68 3.4 System Management BIOS (SMBIOS 69 3.5 Legacy USB Support...70 3.6 BIOS Updates ...70 3.7 Boot Options ...71 3.8 Fast Booting Systems with Intel® Rapid BIOS Boot 73 3.9 BIOS Security Features 74 3.1 Introduction The board
  • Intel D845GVFN | Product Specification - Page 68
    Intel Desktop Board D845GVFN Technical Product Specification Table 44 lists the BIOS Setup program menu features. Table 44. BIOS Setup Program Menu available through the chipset Sets passwords and security features Power Boot Exit Configures power management features Selects boot options and
  • Intel D845GVFN | Product Specification - Page 69
    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
  • Intel D845GVFN | Product Specification - Page 70
    Intel Desktop Board D845GVFN Technical Product Specification Non-Plug and Play operating systems, such as Windows NT*, require an additional interface for obtaining the SMBIOS information. The BIOS supports an SMBIOS table interface for such operating systems. Using this support, an SMBIOS service-
  • Intel D845GVFN | Product Specification - Page 71
    Overview of BIOS Features NOTE Review the instructions distributed with the upgrade utility before attempting a BIOS update. For information about The Intel World Wide Web site Refer to Section 1.3, page 14 3.6.1 Language Support The BIOS Setup program and help messages are supported in five
  • Intel D845GVFN | Product Specification - Page 72
    Intel Desktop Board D845GVFN Technical Product Specification 3.7.3 Booting Without Attached Devices For use in embedded applications, the BIOS has been designed so that after passing the POST, the operating system loader is invoked even if the following devices are not present: • Video adapter •
  • Intel D845GVFN | Product Specification - Page 73
    POST execution time. • Disable Quiet Boot, which eliminates display of the logo splash screen. This could save several seconds of painting complex graphic images and changing video modes. • Enabled Intel Rapid BIOS Boot. This feature bypasses memory count and the search for a diskette drive. In the
  • Intel D845GVFN | Product Specification - Page 74
    Intel Desktop Board D845GVFN Technical Product Specification 3.9 BIOS Security Features The BIOS includes security features that restrict access to the BIOS Setup program and who can boot the computer. A supervisor password and a user password can be set for the BIOS Setup program and for booting
  • Intel D845GVFN | Product Specification - Page 75
    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 Cache Memory Bad CMOS Battery Low CMOS Display Type Wrong CMOS Checksum Bad CMOS Settings Wrong CMOS Date/Time Not Set DMA
  • Intel D845GVFN | Product Specification - Page 76
    Intel Desktop Board D845GVFN Technical Product Specification Table 48. BIOS Error Messages (continued) Error Message Explanation Checking NVRAM..... NVRAM is being checked to see if it is valid. Update OK! NVRAM was invalid and has been updated. Updated Failed NVRAM was invalid but was
  • Intel D845GVFN | Product Specification - Page 77
    to recovery code in F000 Shadow RAM. Initialize interrupt vector tables, initialize system timer, initialize DMA controller and interrupt controller. Initialize extra (Intel Recovery) Module. Initialize floppy drive. Try to boot from floppy. If reading of boot sector is successful, give control to
  • Intel D845GVFN | Product Specification - Page 78
    Intel Desktop Board D845GVFN Technical Product Specification Table 51. Runtime Code Uncompressed in F000 Shadow RAM Code 03 05 06 07 08 0B 0C 0E 0F 10 11 12 13 14 19 1A 23 24 25 27 28 2A 2B 2C
  • Intel D845GVFN | Product Specification - Page 79
    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
  • Intel D845GVFN | Product Specification - Page 80
    Intel Desktop Board D845GVFN Technical Product Specification Table 51. Runtime Code Uncompressed in F000 Shadow RAM (continued) POST Operation Lock-key checking over. To check for memory size mismatch with CMOS. Memory size check done. To display soft error and check for password or bypass setup.
  • Intel D845GVFN | Product Specification - Page 81
    specific area. Copying of code to specific area done. Going to give control to INT-19 boot loader. 4.3 Bus Initialization Checkpoints The system BIOS (input, IPL, and general devices) to start if present. Display different buses initialization error messages. Init of different buses optional ROMs
  • Intel D845GVFN | Product Specification - Page 82
    Intel Desktop Board D845GVFN Technical Product Specification Desktop Board D845GVFN Refer to Figure 1, on page 12 4.5 BIOS Beep Codes Whenever a recoverable error occurs during POST, the BIOS displays an error message describing the problem (see Table 55). The BIOS example, a video BIOS) can also
  • Intel D845GVFN | Product Specification - Page 83
    6 7 8 9 10 11 Description Refresh failure Parity cannot be reset First 64 KB memory failure Timer not operational Not used 8042 GateA20 cannot be toggled Exception interrupt error Display memory R/W error Not used CMOS Shutdown register test error Invalid BIOS (e.g. POST module not found, etc.) 83
  • Intel D845GVFN | Product Specification - Page 84
    Intel Desktop Board D845GVFN Technical Product Specification 84
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August 2004
Order Number:
C83644-001
The Intel
®
Desktop Board D845GVFN may contain design defects or errors known as errata that may cause the product to deviate from published specifications.
Current
characterized errata are documented in the Intel Desktop Board D845GVFN Specification Update.
Intel
®
Desktop Board
D845GVFN
Technical Product Specification