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Intel
D915GVWB
Technical Product Specification
®
The Intel
Desktop Board D915GVWB 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 D915GVWB Specification Update.
®
Desktop Board
October 2004
Order Number: C88968-002
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Table of Contents
Related Manuals for Intel BOXD915GVWBL - Desktop Board D915GVWBL
Summary of Contents for Intel BOXD915GVWBL - Desktop Board D915GVWBL
- Page 1 Order Number: C88968-002 ® The Intel Desktop Board D915GVWB 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 D915GVWB Specification Update.
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Page 2: Revision History
Contact your local Intel sales 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. -
Page 3: Intended Audience
Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, ® power and environmental requirements, and the BIOS for the Intel Desktop Board D915GVWB. It describes the standard product and available manufacturing options. Intended Audience The TPS is intended to provide detailed, technical information about the Desktop Board D915GVWB and their components to the vendors, system integrators, and other engineers and technicians who need this level of information. - Page 4 Intel Desktop Board D915GVWB Technical Product Specification Other Common Notation Used after a signal name to identify an active-low signal (such as USBP0#) (NxnX) When used in the description of a component, N indicates component type, xn are the relative coordinates of its location on the Desktop Board D915GVWB, and X is the instance of the particular part at that general location.
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Page 5: Table Of Contents
System Memory ......................15 1.5.1 Memory Configurations ................. 17 ® Intel 915GV Chipset ....................21 1.6.1 Intel 915GV Graphics Subsystem ..............21 1.6.2 USB ....................... 22 1.6.3 IDE Support ....................23 1.6.4 Real-Time Clock, CMOS SRAM, and Battery..........24 PCI Express Connectors....................24 I/O Controller........................ - Page 6 Intel Desktop Board D915GVWB Technical Product Specification DMA Channels ......................41 Fixed I/O Map....................... 42 PCI Configuration Space Map..................43 Interrupts ........................44 PCI Conventional Interrupt Routing Map ..............45 Connectors........................46 2.8.1 Back Panel Connectors ................. 46 2.8.2 Component-side Connectors................. 48 Jumper Block .......................
- Page 7 Contents 4 Error Messages and Beep Codes BIOS Error Messages ....................77 Port 80h POST Codes ....................79 Bus Initialization Checkpoints ..................83 Speaker ........................84 BIOS Beep Codes......................84 Figures Board Components ...................... 12 Block Diagram......................14 Memory Channel Configuration ................... 17 Dual Channel (Interleaved) Mode Configuration with Two DIMMs ......
- Page 8 Intel Desktop Board D915GVWB Technical Product Specification Interrupts ........................44 PCI Interrupt Routing Map ................... 45 Back Panel Connectors Shown in Figure 15..............47 Component-side Connectors Shown in Figure 16 ............49 Front Panel Audio Connector..................49 Front Chassis Fan and Rear Chassis Fan Connectors..........50 Processor Fan Connector ....................
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Page 9: Product Description 1.1 Pci Bus Terminology Change
Desktop Boards used an add-in card connector referred to as PCI. This generation of Intel Desktop Boards adds a new technology for add-in cards: PCI Express*. The 32-bit parallel bus previously referred to as PCI is now called PCI Conventional. -
Page 10: Overview
10/100 Mbits/sec LAN subsystem using the Intel 82562EZ platform LAN Connect LAN Support (PLC) device • Intel/AMI BIOS (resident in the 4 Mbit FWH) BIOS • Support for Advanced Configuration and Power Interface (ACPI), Plug and Play, and SMBIOS • Support for PCI Local Bus Specification Revision 2.2... -
Page 11: Manufacturing Options
1.2.2 Manufacturing Options Table 2 describes the manufacturing options on the Desktop Board D915GVWB. 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. -
Page 12: Board Layout
Intel Desktop Board D915GVWB Technical Product Specification 1.2.3 Board Layout Figure 1 shows the location of the major components on the Desktop Board D915GVWB. OM17319 Figure 1. Board Components Table 3 lists the components identified in Figure 1. -
Page 13: Board Components Shown In Figure 1
Front chassis fan connector Serial ATA connectors (4) Auxiliary front panel power LED connector Front panel connector Front panel USB connectors Intel 82801FB I/O Controller Hub (ICH6) Front panel IEEE-1394a connectors (optional) IEEE-1394a controller (optional) Speaker PCI Express x1 bus add-in card connector... -
Page 14: Block Diagram
Intel Desktop Board D915GVWB Technical Product Specification 1.2.4 Block Diagram Figure 2 is a block diagram of the major functional areas of the board. Back Panel/Front Panel USB Ports PCI Express PCI Express x1 Slot 1 x1 Interface Serial Port... -
Page 15: Online Support
1.4 Processor The board is designed to support Intel Pentium 4 processors in an LGA775 processor socket with an 800 or 533 MHz system bus. See the Intel web site listed below for the most up-to-date list of supported processors. -
Page 16: Supported System Bus Frequency And Memory Speed Combinations
Intel Desktop Board D915GVWB Technical Product Specification • Non-ECC DIMMs • Serial Presence Detect • DDR 400 MHz and DDR 333 MHz SDRAM DIMMs Table 4 lists the supported system bus frequency and memory speed combinations. Table 4. Supported System Bus Frequency and Memory Speed Combinations To use this type of DIMM…... -
Page 17: Memory Configurations
Product Description 1.5.1 Memory Configurations The Intel 82915GV GMCH supports two types of memory organization: • Dual channel (Interleaved) mode. This mode offers the highest throughput for real world applications. Dual channel mode is enabled when the installed memory capacities of both DIMM channels are equal. -
Page 18: Dual Channel (Interleaved) Mode Configuration With Two Dimms
Intel Desktop Board D915GVWB Technical Product Specification 1.5.1.1 Dual Channel (Interleaved) Mode Configurations Figure 4 shows a dual channel configuration using two DIMMs. In this example, the DIMM0 (blue) sockets of both channels are populated with identical DIMMs. Channel A, DIMM 0... -
Page 19: Dual Channel (Interleaved) Mode Configuration With Four Dimms
Product Description Figure 6 shows a dual channel configuration using four DIMMs. In this example, the combined capacity of the two DIMMs in Channel A equal the combined capacity of the two DIMMs in Channel B. Also, the DIMMs are matched between DIMM0 and DIMM1 of both channels. Channel A, DIMM 0 256 MB 512 MB... -
Page 20: Single Channel (Asymmetric) Mode Configuration With One Dimm
Intel Desktop Board D915GVWB Technical Product Specification 1.5.1.2 Single Channel (Asymmetric) Mode Configurations NOTE Dual channel (Interleaved) mode configurations provide the highest memory throughput. Figure 7 shows a single channel configuration using one DIMM. In this example, only the DIMM0 (blue) socket of Channel A is populated. -
Page 21: Intel ® 915Gv Chipset
1.6 Intel ® 915GV Chipset The Intel 915GV chipset consists of the following devices: • Intel 82915GV Graphics Memory Controller Hub (GMCH) with Direct Media Interface (DMI) interconnect • Intel 82801FB I/O Controller Hub (ICH6) with DMI interconnect • Firmware Hub (FWH) The GMCH is a centralized controller for the system bus, the memory bus, the PCI Express bus, and the DMI interconnect. -
Page 22: Usb
Intel Desktop Board D915GVWB Technical Product Specification 1.6.1.1 Dynamic Video Memory Technology (DVMT) DVMT enables enhanced graphics and memory performance through Direct AGP, and highly efficient memory utilization. DVMT ensures the most efficient use of available system memory for maximum 2-D/3-D graphics performance. Up to 224 MB of system memory can be allocated to DVMT on systems that have 512 MB or more of total system memory installed. -
Page 23: Ide Support
Product Description 1.6.3 IDE Support The board provides five IDE interface connectors: • One parallel ATA IDE connector that supports two devices • Four serial ATA IDE connectors that support one device per connector 1.6.3.1 Parallel ATE IDE Interface The ICH6’s Parallel ATA IDE controller has one bus-mastering Parallel ATA IDE interface. The Parallel ATA IDE interface supports the following modes: •... -
Page 24: Real-Time Clock, Cmos Sram, And Battery
Intel Desktop Board D915GVWB Technical Product Specification For compatibility, the underlying Serial ATA functionality is transparent to the operating system. The Serial ATA controller can operate in both legacy and native modes. In legacy mode, standard IDE I/O and IRQ resources are assigned (IRQ 14 and 15). In Native mode, standard PCI Conventional bus resource steering is used. -
Page 25: I/O Controller
Product Description 1.8 I/O Controller The I/O controller provides the following features: • One serial port • One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support • Serial IRQ interface compatible with serialized IRQ support for PCI Conventional bus systems •... -
Page 26: Keyboard And Mouse Interface
For the front panel jack sensing and automatic retasking feature to function, a front panel daughter card that is designed for Intel High Definition Audio must be used. Otherwise, an AC ’97 style audio front panel connector will be assumed and the Line Out and Mic In functions will be permanent. -
Page 27: Intel ® High Definition Audio Subsystem
Product Description 1.9.3 Intel High Definition Audio Subsystem ® The Intel High Definition Audio subsystem includes the following: • Intel 82801FB I/O Controller Hub (ICH6) • Realtek ALC860 audio codec • Microphone input that supports a single dynamic, condenser, or electret microphone The front and back audio connectors are configurable through the audio device drivers. -
Page 28: Lan Subsystem (Optional)
Intel Desktop Board D915GVWB Technical Product Specification 1.10 LAN Subsystem (Optional) The 10/100 Mbits/sec LAN subsystem consists of the following: • The Intel 82801FB ICH6 • ® An Intel 82562EZ Platform LAN Connect (PLC) device for 10/100 Mbits/sec Ethernet LAN connectivity •... -
Page 29: Alert Standard Format (Asf) Support
Boot options to boot from different types of boot devices • Reset, shutdown, power cycle, and power up options 1.10.3 LAN Subsystem Software LAN software and drivers are available from Intel’s World Wide Web site. For information about Refer to Obtaining LAN software and drivers Section 1.3, page 15... -
Page 30: Thermal Monitoring
Intel Desktop Board D915GVWB Technical Product Specification • Two remote thermal diode sensors for direct monitoring of processor temperature and ambient temperature sensing • Power supply monitoring of five voltages (+5 V, +12 V, +3.3 VSB, +1.5 V, and +VCCP) to detect levels above or below acceptable values •... -
Page 31: Fan Monitoring
It is recommended that processor fan speed control ® remain enabled (default BIOS setting) when using the processor fan heat-sink included with Intel boxed processors. Disabling the chassis fan speed control results in chassis fans always operating at full speed. -
Page 32: Acpi
Intel Desktop Board D915GVWB Technical Product Specification 1.12.1 ACPI ACPI gives the operating system direct control over the power management and Plug and Play functions of a computer. The use of ACPI with this board requires an operating system that provides full ACPI support. -
Page 33: Power States And Targeted System Power
Product Description Table 8. Power States and Targeted System Power Process Targeted System (Note 1) Global States Sleeping States or States Device States Power G0 – working state S0 – working C0 – D0 – working state. Full power > 30 W working G1 –... -
Page 34: Hardware Support
Intel Desktop Board D915GVWB Technical Product Specification 1.12.2 Hardware Support CAUTION Ensure that the power supply provides adequate +5 V standby current if LAN wake capabilities and Instantly Available PC technology features are used. Failure to do so can damage the power supply. - Page 35 Product Description 1.12.2.2 Fan Connectors The function/operation of the fan connectors is as follows: • The fans are on when the board is in the S0 or S1 state. • The fans are off when the board is off or in the S3, S4, or S5 state. •...
- Page 36 Intel Desktop Board D915GVWB Technical Product Specification The board supports the PCI Bus Power Management Interface Specification. 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, PCI Express add-in cards, and drivers.
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Page 37: Location Of The Standby Power Indicator Led
Product Description CR3J1 OM17323 Figure 13. Location of the Standby Power Indicator LED... - Page 38 Intel Desktop Board D915GVWB Technical Product Specification...
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Page 39: Technical Reference
2 Technical Reference What This Chapter Contains Introduction ........................39 Memory Resources ...................... 39 DMA Channels ......................41 Fixed I/O Map....................... 42 PCI Configuration Space Map..................43 Interrupts ........................44 PCI Conventional Interrupt Routing Map ..............45 Connectors........................46 Jumper Block ....................... 55 2.10 Mechanical Considerations .................. -
Page 40: Detailed System Memory Address Map
Intel Desktop Board D915GVWB Technical Product Specification The amount of installed memory that can be used will vary based on add-in cards and BIOS settings. Figure 14 shows a schematic of the system memory map. All installed system memory can be used when there is no overlap of system addresses. -
Page 41: Memory Map
Technical Reference 2.2.2 Memory Map Table 10 lists the system memory map. Table 10. System Memory Map Address Range (decimal) Address Range (hex) Size Description 1024 K - 4194304 K 100000 - FFFFFFFF 4095 MB Extended memory 960 K - 1024 K F0000 - FFFFF 64 KB Runtime BIOS... -
Page 42: Fixed I/O Map
Intel Desktop Board D915GVWB Technical Product Specification 2.4 Fixed I/O Map Table 12. I/O Map Address (hex) Size Description 0000 - 00FF 256 bytes Used by the Desktop Board D915GVWB. Refer to the ICH6 data sheet for dynamic addressing information. -
Page 43: Pci Configuration Space Map
Device Function Number (hex) Number (hex) Number (hex) Description Memory controller of Intel 82915GV component Integrated graphics controller Integrated graphics controller Intel High Definition Audio Controller PCI Express port 1 (PCI Express x1 bus connector 1) PCI Express port 2... -
Page 44: Interrupts
Intel Desktop Board D915GVWB 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 ICH6 component. The PIC is supported in Windows 98 SE and Windows ME and uses the first 16 interrupts. The APIC is supported in Windows 2000 and Windows XP and supports a total of 24 interrupts. -
Page 45: Pci Conventional Interrupt Routing Map
Technical Reference 2.7 PCI Conventional Interrupt Routing Map This section describes interrupt sharing and how the interrupt signals are connected between the PCI Conventional bus connectors and onboard PCI Conventional devices. The PCI Conventional specification describes how interrupts can be shared between devices attached to the PCI Conventional bus. -
Page 46: Connectors
Intel Desktop Board D915GVWB Technical Product Specification 2.8 Connectors CAUTION Only the following connectors have overcurrent protection: back panel USB, front panel USB, and PS/2. The other internal connectors are not overcurrent protected and should connect only to devices inside the computer’s chassis, such as fans and internal peripherals. Do not use these connectors to power devices external to the computer’s chassis. -
Page 47: Back Panel Connectors Shown In Figure 15
Technical Reference NOTE The back panel audio line out connector is designed to power headphones or amplified speakers only. Poor audio quality occurs if passive (non-amplified) speakers are connected to this output. Table 16. Back Panel Connectors Shown in Figure 15 Item/Callout from Figure 15 Description... -
Page 48: Component-Side Connectors
Intel Desktop Board D915GVWB Technical Product Specification 2.8.2 Component-side Connectors Figure 16 shows the locations of the component-side connectors. OM17324 Figure 16. Component-side Connectors Table 17 lists the component-side connectors identified in Figure 16. -
Page 49: Component-Side Connectors Shown In Figure 16
Technical Reference Table 17. Component-side Connectors Shown in Figure 16 Item/Callout from Figure 16 Description Front panel audio connector PCI Conventional bus add-in card connector 2 Front panel IEEE-1394a connector (optional) PCI Conventional bus add-in card connector 1 Rear chassis fan connector +12V power connector (ATX12V) Processor fan connector Power connector... -
Page 50: Front Chassis Fan And Rear Chassis Fan Connectors
Main power – a 2 x 12 connector. This connector is compatible with 2 x 10 connectors previously used on Intel Desktop boards. The board supports the use of ATX12V power supplies with either 2 x 10 or 2 x 12 main power cables. When using a power supply with a 2 x 10 main power cable, attach that cable on the rightmost pins of the main power connector, leaving pins 11, 12, 23, and 24 unconnected. -
Page 51: Main Power Connector
Technical Reference Table 23. Main Power Connector Signal Name Signal Name +3.3 V +3.3 V +3.3 V -12 V Ground Ground +5 V PS-ON# (power supply remote on/off) Ground Ground +5 V Ground Ground Ground PWRGD (Power Good) No connect +5 V (Standby) +5 V +12 V... -
Page 52: Connection Diagram For Front Panel Connector
Intel Desktop Board D915GVWB Technical Product Specification 2.8.2.3 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 25. Auxiliary Front Panel Power/Sleep LED Connector... -
Page 53: States For A One-Color Power Led
Technical Reference 2.8.2.4.1 Hard Drive Activity LED Connector [Yellow] Pins 1 and 3 [Yellow] can be connected to an LED to provide a visual indicator that data is being read from or written to a hard drive. Proper LED function requires one of the following: •... -
Page 54: Connection Diagram For Front Panel Usb Connectors
Intel Desktop Board D915GVWB Technical Product Specification 2.8.2.5 Front Panel USB Connectors Figure 18 is a connection diagram for the front panel USB connectors. INTEGRATOR’S NOTES • The +5 V DC power on the USB connector is fused. • Pins 1, 3, 5, and 7 comprise one USB port. -
Page 55: Jumper Block
Technical Reference 2.9 Jumper Block CAUTION Do not move the jumper with the power on. Always turn off the power and unplug the power cord from the computer before changing a jumper setting. Otherwise, the board could be damaged. Figure 20 shows the location of the jumper block. The 3-pin jumper block determines the BIOS Setup program’s mode. -
Page 56: Mechanical Considerations
Intel Desktop Board D915GVWB Technical Product Specification 2.10 Mechanical Considerations 2.10.1 Form Factor The board is designed to fit into either a microATX or an ATX-form-factor chassis. Figure 21 illustrates the mechanical form factor of the board. Dimensions are given in inches [millimeters]. -
Page 57: I/O Shield
ATX specification. NOTE The I/O shield drawing in this document is for reference only. An I/O shield compliant with the ATX chassis specification 2.03 is available from Intel. 162.3 REF [6.390] 1.6 ±... -
Page 58: Electrical Considerations
Intel Desktop Board D915GVWB Technical Product Specification 2.11 Electrical Considerations 2.11.1 DC Loading Table 30 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 analysis does not include PCI add-in cards. -
Page 59: Power Supply Considerations
Technical Reference 2.11.4 Power Supply Considerations CAUTION The +5 V standby line for the power supply must be capable of providing adequate +5 V standby current. Failure to do so can damage the power supply. The total amount of standby current required depends on the wake devices supported and manufacturing options. -
Page 60: Thermal Considerations
All responsibility for determining the adequacy of any thermal or system design remains solely with the reader. Intel makes no warranties or representations that merely following the instructions presented in this document will result in a system with adequate thermal performance. -
Page 61: Localized High Temperature Zones
(item A in Figure 24) can reach a temperature of up to 85 C in an open chassis. Figure 24 shows the locations of the localized high temperature zones. OM17327 Item Description Processor voltage regulator area Processor Intel 82915GV GMCH Intel 82801FB ICH6 Figure 24. Localized High Temperature Zones... -
Page 62: Reliability
Intel 82801FB ICH6 C (under bias) For information about Refer to Intel Pentium 4 processor datasheets and specification updates Section 1.3, page 15 2.13 Reliability The Mean Time Between Failures (MTBF) prediction is calculated using component and subassembly random failure rates. The calculation is based on the Bellcore Reliability Prediction Procedure, TR-NWT-000332, Issue 4, September 1991. -
Page 63: Environmental
Technical Reference 2.14 Environmental Table 33 lists the environmental specifications for the board. Table 33. Environmental Specifications Parameter Specification Temperature -40 ° C to +70 ° C Non-Operating 0 ° C to +55 ° C Operating Shock Unpackaged 50 g trapezoidal waveform Velocity change of 170 inches/second Packaged Half sine 2 millisecond... -
Page 64: Regulatory Compliance
Intel Desktop Board D915GVWB Technical Product Specification 2.15 Regulatory Compliance This section describes the Desktop Board’s compliance with U.S. and international safety and electromagnetic compatibility (EMC) regulations. 2.15.1 Safety Regulations Table 34 lists the safety regulations the Desktop Board D915GVWB complies with when correctly installed in a compatible host system. -
Page 65: European Union Declaration Of Conformity Statement
Connect the equipment to a different electrical branch circuit from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Any changes or modifications to the equipment not expressly approved by Intel Corporation could void the user’s authority to operate the equipment. 2.15.2.2 Canadian Compliance Statement This Class B digital apparatus complies with Canadian ICES-003. -
Page 66: Product Ecology Statements
2.15.4.2 Recycling Considerations Intel encourages its customers to recycle its products and their components (e.g., batteries, circuit boards, plastic enclosures, etc.) whenever possible. In the U.S., a list of recyclers in your area can be found at: http://www.eiae.org/... -
Page 67: Product Certification Markings (Board Level)
Product Certification Markings Description Marking UL joint US/Canada Recognized Component mark. Includes adjacent UL file number for Intel Desktop Boards: E210882 (component side). FCC Declaration of Conformity logo mark for Class B equipment; includes Intel name and D915GVWB model designation (component side). - Page 68 Intel Desktop Board D915GVWB Technical Product Specification...
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Page 69: Overview Of Bios Features
BIOS Security Features ....................75 3.1 Introduction The board uses an Intel/AMI BIOS that is stored in the Firmware Hub (FWH) and can be updated using a disk-based program. The FWH contains the BIOS Setup program, POST, the PCI auto- configuration utility, and Plug and Play support. -
Page 70: Bios Flash Memory Organization
Intel Desktop Board D915GVWB Technical Product Specification Table 37 lists the BIOS Setup program menu features. Table 37. BIOS Setup Program Menu Bar Maintenance Main Advanced Security Power Boot Exit Clears Displays Configures Sets Configures Selects boot Saves or passwords and... -
Page 71: System Management Bios (Smbios)
Overview of BIOS Features to PIO Mode 3 or 4, depending on the capability of the drive. You can override the auto- configuration options by specifying manual configuration in the BIOS Setup program. To use ATA-66/100 features the following items are required: •... -
Page 72: Bios Updates
To install an operating system that supports USB, verify that Legacy USB support in the BIOS Setup program is set to Enabled and follow the operating system’s installation instructions. 3.6 BIOS Updates The BIOS can be updated using either of the following utilities, which are available on the Intel World Wide Web site: •... -
Page 73: Boot Options
Overview of BIOS Features 3.7 Boot Options In the BIOS Setup program, the user can choose to boot from a diskette drive, hard drives, CD-ROM, or the network. The default setting is for the diskette drive to be the first boot device, the hard drive second, and the ATAPI CD-ROM third. -
Page 74: Fast Booting Systems With Intel ® Rapid Bios Boot
It is possible to optimize 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. Monitors and hard disk drives with minimum initialization times can also contribute to a boot time that might be so fast that necessary logo screens and POST messages cannot be seen. -
Page 75: Bios Security Features
Overview of BIOS Features 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 the computer, with the following restrictions: •... - Page 76 Intel Desktop Board D915GVWB Technical Product Specification...
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Page 77: Error Messages And Beep Codes
4 Error Messages and Beep Codes What This Chapter Contains BIOS Error Messages ....................77 Port 80h POST Codes ....................79 Bus Initialization Checkpoints ..................83 Speaker ........................84 BIOS Beep Codes......................84 4.1 BIOS Error Messages Table 41 lists the error messages and provides a brief description of each. Table 41. - Page 78 Intel Desktop Board D915GVWB Technical Product Specification Table 41. BIOS Error Messages (continued) Error Message Explanation Update OK! NVRAM was invalid and has been updated. Updated Failed NVRAM was invalid but was unable to be updated. Keyboard Error Error in the keyboard connection. Make sure keyboard is connected properly.
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Page 79: Port 80H Post Codes
F000:0000 in Shadow RAM and give control 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 boot sector code. -
Page 80: Runtime Code Uncompressed In F000 Shadow Ram
Intel Desktop Board D915GVWB Technical Product Specification Table 44. Runtime Code Uncompressed in F000 Shadow RAM Code Description of POST Operation NMI is Disabled. To check soft reset/power-on. BIOS stack set. Going to disable cache if any. POST code to be uncompressed. - Page 81 Error Messages and Beep Codes Table 44. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code Description of POST Operation To prepare the descriptor tables. To enter in virtual mode for memory test. To enable interrupts for diagnostics mode. To initialize data to check memory wrap around at 0:0. Data initialized.
- Page 82 Intel Desktop Board D915GVWB Technical Product Specification Table 44. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code Description of 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.
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Page 83: Bus Initialization Checkpoints
Error Messages and Beep Codes Table 44. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code Description of POST 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. -
Page 84: Speaker
Intel Desktop Board D915GVWB Technical Product Specification Table 47 describes the lower nibble of the high byte and indicates the bus on which the routines are being executed. Table 47. Lower Nibble High Byte Functions Value Description Generic DIM (Device Initialization Manager)