Intel D845GVFN Product Specification

Intel D845GVFN Manual

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  • Intel D845GVFN | Product Specification - Page 1
    Specification 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
  • Intel D845GVFN | Product Specification - Page 2
    office or your distributor to obtain the latest specifications before placing your product order. Copies of documents which have an ordering number and are referenced in this document, or other Intel literature, may be obtained from: Intel Corporation P.O. Box 5937 Denver, CO 80217-9808 or call in
  • Intel D845GVFN | Product Specification - Page 3
    this level of 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
  • Intel D845GVFN | Product Specification - Page 4
    Intel Desktop Board D845GVFN Technical Product Specification Other Common Notation # (NxnX) GB GB/sec 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, J5J1
  • Intel D845GVFN | Product Specification - Page 5
    Options 11 1.1.3 Board Layout 12 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 1.8.1 Intel® Extreme Graphics Controller 21 1.8.2 USB ...26 1.8.3 IDE Interfaces
  • 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 3.3.2 PCI IDE Support 69 3.4 System Management BIOS (SMBIOS 69 3.5 Legacy USB Support...70 3.6 BIOS Updates ...70 3.6.1 Language Support 71 3.6.2 Custom
  • 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
    Intel Desktop Board D845GVFN Technical Product Specification 26. Processor Fan Connector 50 27. Main Power Connector 50 28. 60 39. Thermal Considerations for Components 62 40. Desktop Board D845GVFN Environmental Specifications 63 41. Safety Regulations ...64 42. EMC Regulations ...64 43
  • Intel D845GVFN | Product Specification - Page 9
    Description What This Chapter Contains 1.1 Overview ...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
  • Intel D845GVFN | Product Specification - Page 10
    Product Specification 1.1 Overview 1.1.1 Feature Summary Table 1 summarizes the major features of the Intel® Desktop Board D845GVFN. Table 1. Feature Summary Form Factor Processor microATX (9.20 inches by 8.20 inches [233.68 millimeters by 208.28 millimeters]) • Support for an Intel® Pentium
  • Intel D845GVFN | Product Specification - Page 11
    Manufacturing Options Table 2 describes 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
  • Intel D845GVFN | Product Specification - Page 12
    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 82562ET
  • Intel D845GVFN | Product Specification - Page 13
    connector or socket Primary/ Secondary IDE UDMA 33 and ATA-66/100 mPGA478 Processor Socket System Bus (400/533 MHz) USB LPC Bus I/O Controller SMBus LPC Parallel Port PS/2 Mouse PS/2 Keyboard Diskette Drive Connector Intel 82845GV Graphics and Memory Controller Hub (GMCH) AHA Bus VGA Port
  • Intel D845GVFN | Product Specification - Page 14
    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/design
  • Intel D845GVFN | Product Specification - Page 15
    Packet Interface - 5 (ATA/ATAPI-5) ATX Specification ATX/ATX12V Power Supply Design Guide Boot Integrity Services (BIS) Application Programming Interface (API) Double Data Rate (DDR) SDRAM Specification Design Specification for a 184 Pin DDR Unbuffered DIMM Intel ® JEDEC DDR 200/266 Unbuffered DIMM
  • Intel D845GVFN | Product Specification - Page 16
    Motherboard Interface Specification PCI Local Bus Specification PCI Bus Power Management Interface Specification Plug and Play BIOS Specification Preboot Execution Environment SFX/SFX12V Power Supply Design Guide Version, Revision Date and Ownership Revision 1.0, March 12, 2002, Intel Corporation
  • Intel D845GVFN | Product Specification - Page 17
    Design Guide Universal Serial Bus Specification Version, Revision Date and Ownership Version 2.3.1, March 16, 1999, American Megatrends Incorporated, Award Software International Incorporated, Compaq Computer Corporation, Dell Computer Corporation, Hewlett-Packard Company, Intel Corporation
  • Intel D845GVFN | Product Specification - Page 18
    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 following: • Intel
  • Intel D845GVFN | Product Specification - Page 19
    board. INTEGRATOR'S NOTES • Registered DIMMs are not supported. • Double-sided x16 DIMMs are not supported. NOTE To be fully compliant with all applicable DDR SDRAM memory specifications, the board should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. This
  • 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 Configurations DIMM Capacity Configuration DDR SDRAM (Note) Density DDR SDRAM Organization Number of DDR Front-side/Back-side SDRAM Devices 64 MB
  • Intel D845GVFN | Product Specification - Page 21
    intel.com/ Chapter 2 1.8.1 Intel® Extreme Graphics Controller The Intel Extreme Graphics controller features the following: • Integrated graphics controller ⎯ 32 bpp (Bits Per Pixel) graphics engine ⎯ 266 MHz core Video Memory Technology (DVMT) support up to 64 MB For information about DVMT Refer
  • 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
    Intel Desktop Board D845GVFN Technical Product Specification • Increased headroom for larger resolution and color depth ://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
  • Intel D845GVFN | Product Specification - Page 27
    (ECHS) translation modes. The drive reports the transfer 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
  • 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
    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-amp that supports the Front Panel I/O Connectivity Design Guide Refer to Figure 5, page 48
  • Intel D845GVFN | Product Specification - Page 30
    Intel Desktop Board D845GVFN Technical Product Specification 1.10.1.3 ATAPI CD-ROM Audio Intel 82562ET provides the following functions: • Basic 10/100 Ethernet LAN connectivity • Supports RJ-45 connector with status indicator LEDs on the back panel • Full device driver compatibility • ACPI support
  • Intel D845GVFN | Product Specification - Page 31
    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 processor
  • Intel D845GVFN | Product Specification - Page 32
    D845GVFN Technical Product Specification 1.12.2 Fan Monitoring Fan monitoring can be implemented using Intel Power Management Event signal (PME#) wake-up support 1.13.1 ACPI ACPI gives the operating system direct add-in boards may require an ACPI-aware driver), video displays, and hard disk drives •
  • 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
    D845GVFN Technical Product Specification Table 12. Power States and Targeted System Power Global States G0 - working state G1 - sleeping state G1 - sleeping state G1 - sleeping state G2/S5 G3 - mechanical off AC power is disconnected from the computer. Sleeping States S0 - working S1 - Processor
  • Intel D845GVFN | Product Specification - Page 35
    full ACPI support. In addition, software, drivers, and peripherals must fully support ACPI wake events. 1.13.2 Hardware Support CAUTION Ensure required depends on the wake devices supported and manufacturing options. The Desktop Board D845GVFN provides several power management hardware features
  • Intel D845GVFN | Product Specification - Page 36
    Intel Desktop Board D845GVFN Technical Product Specification 1.13.2.1 Power Connector ATX12V-, SFX12V-, Table 14. Fan Connector Function/Operation Connector Description Processor fan Front chassis fan Rear chassis fan • +12 V DC connection for a processor fan or active fan heatsink. • Fan is
  • Intel D845GVFN | Product Specification - Page 37
    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. 1.13.2.5 +5 V Standby Power Indicator LED
  • 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 S3 states. NOTE Wake from USB requires the use of a USB peripheral that supports Wake from USB. 1.13.2.8 Wake from PS/2 Devices PS/2 device activity
  • Intel D845GVFN | Product Specification - Page 39
    2 Technical Reference What This Chapter Contains 2.1 Introduction ...39 2.2 Memory Map ...39 2.3 Fixed I/O Map...40 2.4 DMA Channels ...41 2.5 PCI Configuration Space Map 41 2.6 Interrupts ...42 2.7 PCI Interrupt Routing Map 43 2.8 Connectors...45 2.9 Jumper Blocks...56 2.10 Mechanical
  • 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 - 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
    00 1D 07 01 08 00 01 00 00 01 01 00 01 02 00 Description 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 controller AC '97 modem controller (optional
  • 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 . Some PCI interrupt sources are electrically tied together on the Desktop Board D845GVFN and therefore share the same interrupt. Table 20 shows an example of
  • Intel D845GVFN | Product Specification - Page 44
    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
  • Intel D845GVFN | Product Specification - Page 45
    Technical Reference 2.8 Connectors CAUTION Only the back panel USB, front panel USB, VGA, and PS/2 connectors have overcurrent protection. The desktop boards' internal connectors are not overcurrent protected and should connect only to devices inside the computer's chassis, such as fans and internal
  • Intel D845GVFN | Product Specification - Page 46
    Intel Desktop Board D845GVFN Technical Product Specification 2.8.1 Back Panel Connectors Figure 4 shows the location of the back panel connectors. The back panel connectors are color-coded in compliance with PC 99 recommendations.
  • 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 black) [optional] +12 V power connector (ATX12V) Rear chassis fan Processor fan Main power Front chassis fan Chassis intrusion [optional] G OM17299 For
  • Intel D845GVFN | Product Specification - Page 49
    power supplies with this board. ATX12V, SFX12V, and TFX12V power supplies have an additional power lead that provides required supplemental 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
  • 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
    add-in board connector and peripheral connectors for the Desktop Board D845GVFN. Note the following considerations for the PCI bus connectors: routed to PCI bus connector 2, enabling PCI bus add-in boards with SMBus support to access sensor data on the desktop board. The SMBus signals are as follows
  • 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
    Technical Reference 2.8.3.1 Auxiliary Front Panel Power/Sleep LED Connector Pins 1 and 3 of this connector duplicate the signals on pins 2 and 4 of the front panel connector. Table 31 lists the signal names of the Auxiliary Front Panel Power/Sleep LED Connector. Table 31. Auxiliary Front Panel
  • 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 33 and Table 34 are suggested colors only. Actual LED colors are product- or customer-specific. 2.8.3.2.4 Power Switch Connector Pins 6 and 8 can be connected to a front panel momentary
  • 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
  • Intel D845GVFN | Product Specification - Page 57
    other than the one described in Table 35. Other jumper configurations are not supported and could damage the desktop board. Table 35. Front Panel Audio Connector/Jumper and the computer is powered-up, the BIOS compares the processor version and the microcode version in the BIOS and reports if
  • 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 the I/O connectors and mounting holes are in compliance with the ATX specification. INTEGRATOR'S NOTE When installing the desktop board in a microATX chassis,
  • Intel D845GVFN | Product Specification - Page 59
    panel I/O shield for the Desktop Board D845GVFN must meet specific dimension and material requirements. Systems based 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 a 500 mA current draw per USB port. These calculations are not based on specific processor values or memory configurations but are based on the minimum and maximum current draw possible
  • Intel D845GVFN | Product Specification - Page 61
    wake devices supported and manufacturing D845GVFN 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 Intel makes no warranties or representations that merely following the instructions
  • 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 bias
  • Intel D845GVFN | Product Specification - Page 63
    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 Unpackaged
  • 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
  • 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
    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 recycle
  • Intel D845GVFN | Product Specification - Page 67
    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 uses an
  • 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 Bar Maintenance Main use by the add-in card. For information about the versions of PCI and Plug and Play supported by the BIOS, see Section 1.5. 68
  • Intel D845GVFN | Product Specification - Page 69
    I/O channel support. The IDE interface supports hard drives the auto-configuration options by specifying manual configuration in the BIOS Setup program. ATA-66/100 operating system device drivers NOTE ATA-66/100 compatible cables processor speed • Dynamic data, such as event detection and error
  • 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
    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 about The El Torito specification Refer to Section
  • 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
  • Intel D845GVFN | Product Specification - Page 73
    BIOS more quickly, which enables the system to boot more quickly. 3.8.2 Intel Rapid BIOS Boot Use of the following BIOS Setup program settings reduces the the boot process to the point where the system boots so quickly that the Intel logo screen (or a custom logo splash screen) will not be seen.
  • 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
  • Intel D845GVFN | Product Specification - Page 75
    4 Error Messages and Beep Codes What This Chapter Contains 4.1 BIOS Error Messages 75 4.2 Port 80h POST Codes 77 4.3 Bus Initialization Checkpoints 81 4.4 Speaker ...82 4.5 BIOS Beep Codes...82 4.1 BIOS Error Messages Table 48 lists the error messages and provides a brief description of each.
  • Intel D845GVFN | Product Specification - Page 76
    Intel Desktop Board D845GVFN Technical Product Specification Table 48. BIOS Error Messages (continued) Error Message Memory size has increased since the last boot. If no memory was added there may be a problem with the system. Memory Size Changed Memory size has changed since the last boot. If no
  • Intel D845GVFN | Product Specification - Page 77
    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 boot
  • 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
  • Intel D845GVFN | Product Specification - Page 79
    Error Messages and Beep Codes Table 51. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code 40 42 43 44 45 46 47 48 49 4B 4C 4D 4E 4F 50 51 52 53 54 57 58 59 60 62 65 66 7F 80 81 82 83 Description of POST Operation To prepare the descriptor tables. To enter in virtual mode for memory
  • Intel D845GVFN | Product Specification - Page 80
    Intel Desktop Board D845GVFN Technical Product Specification Table 51. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code . Put INT13 module runtime image to shadow. Generate MP for multiprocessor support (if present). Put CGA INT10 module (if present) in Shadow. continued 80
  • Intel D845GVFN | Product Specification - Page 81
    Operation Uncompress SMBIOS module and init SMBIOS code and form the runtime SMBIOS image in shadow. Going to copy any code to 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 gives control to the
  • Intel D845GVFN | Product Specification - Page 82
    Intel Desktop Board D845GVFN Technical Product Specification Table 54 describes the lower nibble of Beep Codes Whenever a recoverable error occurs during POST, the BIOS displays an error message describing the problem (see Table 55). The BIOS also issues a beep code (one long tone followed by two
  • Intel D845GVFN | Product Specification - Page 83
    Error Messages and Beep Codes If POST completes normally, the BIOS issues one short beep before passing control to the operating system. Table 55. Beep Codes Beep 1 2 3 4 5 6 7 8 9 10 11 Description Refresh failure Parity cannot be reset First 64 KB memory failure Timer not operational Not used
  • Intel D845GVFN | Product Specification - Page 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