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Intel
D915GEV/D915GRF
Technical Product Specification
®
The Intel
Desktop Board D915GEV/D915GRF 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 D915GEV/D915GRF Specification Update.
®
Desktop Boards
June 2004
Order Number: C68602-001
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Table of Contents
Related Manuals for Intel BOXD915GEV - LGA775 800FSB 4DDR2 Aud+Vdo SATA ATX 4PCI
Summary of Contents for Intel BOXD915GEV - LGA775 800FSB 4DDR2 Aud+Vdo SATA ATX 4PCI
- Page 1 Order Number: C68602-001 ® The Intel Desktop Board D915GEV/D915GRF 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 D915GEV/D915GRF 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 these Intel Desktop Boards: D915GEV and D915GRF. It describes the standard product and available manufacturing options. Intended Audience The TPS is intended to provide detailed, technical information about the Desktop Boards D915GEV and D915GRF and their components to the vendors, system integrators, and other engineers and technicians who need this level of information. - Page 4 Intel Desktop Board D915GEV/D915GRF Technical Product Specification WARNING Warnings indicate conditions, which if not observed, can cause personal injury. 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 Boards D915GEV and D915GRF, and X is the instance of the particular part at that general location.
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Page 5: Table Of Contents
1.8.4 Keyboard and Mouse Interface ..............28 Audio Subsystem .......................29 1.9.1 Audio Subsystem Software ................29 1.9.2 Audio Connectors..................29 Intel ® High Definition Audio Subsystem ............30 1.9.3 1.10 LAN Subsystem......................31 1.10.1 10/100 Mbits/sec LAN Subsystem ...............31 1.10.2 Gigabit LAN Subsystem ................32 1.10.3 Alert Standard Format (ASF) Support ............33... - Page 6 Intel Desktop Board D915GEV/D915GRF Technical Product Specification 1.13.4 Trusted Platform Module Ownership ............45 1.13.5 Enabling the Trusted Platform Module ............46 1.13.6 Assuming Trusted Platform Module Ownership ...........46 1.13.7 Recovery Procedures...................47 1.13.8 Clearing Trusted Platform Module Ownership..........48 1.13.9 Software Support ..................49 2 Technical Reference Introduction ........................51...
- Page 7 Network Boot ....................89 3.7.3 Booting Without Attached Devices ...............89 3.7.4 Changing the Default Boot Device During POST .........89 ® Fast Booting Systems with Intel Rapid BIOS Boot............90 3.8.1 Peripheral Selection and Configuration ............90 3.8.2 Intel Rapid BIOS Boot ..................90 BIOS Security Features....................91 4 Error Messages and Beep Codes BIOS Error Messages ....................93...
- Page 8 Intel Desktop Board D915GEV/D915GRF Technical Product Specification Tables Feature Summary.......................12 Manufacturing Options ....................13 Board Components Shown in Figure 1 ...............15 Supported Memory Configurations ................18 LAN Connector LED States..................32 LAN Connector LED States..................33 Effects of Pressing the Power Switch .................37 Power States and Targeted System Power ..............38 Wake-up Devices and Events..................39...
- Page 9 Contents Uncompressed INIT Code Checkpoints..............95 Boot Block Recovery Code Checkpoints ..............95 Runtime Code Uncompressed in F000 Shadow RAM ..........96 Bus Initialization Checkpoints ..................99 Upper Nibble High Byte Functions................99 Lower Nibble High Byte Functions................100 Beep Codes ......................100...
- Page 10 Intel Desktop Board D915GEV/D915GRF Technical Product Specification...
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Page 11: Product Description
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 12: Overview
• 10/100 Mbits/sec LAN subsystem using the Intel ® 82562EZ Platform LAN Connect (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 13: Manufacturing Options
1.2.2 Manufacturing Options Table 2 describes the manufacturing options on the Desktop Boards D915GEV and D915GRF. Not every manufacturing option is available in all marketing channels. Please contact your Intel representative to determine which manufacturing options are available to you. -
Page 14: Board Layout
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 1.2.3 Board Layout Figure 1 shows the location of the major components on the Desktop Board D915GEV/D915GRF. H I J OM16666 Figure 1. Board Components Table 3 lists the components identified in Figure 1. -
Page 15: Board Components Shown In Figure 1
Serial ATA connectors Auxiliary front panel power LED connector Front panel connector ATX fan connector (optional) Front panel USB connector Intel 82801FB I/O Controller Hub (ICH6) Front panel IEEE-1394a connectors (optional) IEEE-1394a controller (optional) PCI Conventional bus add-in card connectors... -
Page 16: Block Diagram
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 1.2.4 Block Diagram Figure 2 is a block diagram of the major functional areas of the boards. Gigabit Ethernet PCI Express x1 Interface Controller (Optional) Connector PCI Express x1 Slot 1 Back Panel/Front Panel... -
Page 17: 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 18: System Memory
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 1.5 System Memory The boards have four DIMM sockets and support the following memory features: • 1.8 V (only) DDR2 SDRAM DIMMs with gold-plated contacts • Unbuffered, single-sided or double-sided DIMMs with the following restriction: Double-sided DIMMS with x16 organization are not supported. -
Page 19: Memory Configurations
Product Description 1.5.1 Memory Configurations The Intel 82915G 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 20: Dual Channel (Interleaved) Mode Configuration With Two Dimms
Intel Desktop Board D915GEV/D915GRF 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 21: 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 22: Single Channel (Asymmetric) Mode Configuration With One Dimm
Intel Desktop Board D915GEV/D915GRF 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. Channel B is not populated. -
Page 23: Intel ® 915G Chipset
Chapter 2 1.6.1 Intel 915G Graphics Subsystem The Intel 915G chipset contains two separate, mutually exclusive graphics options. Either the GMA900 graphics controller (contained within the 82915G GMCH) is used, or a PCI Express x16 add-in card can be used. When a PCI Express x16 add-in card is installed, the GMA900 graphics controller is disabled. - Page 24 PCI Express x16 connector. The DVO ports can be paired for a dual channel configuration to support up to a 400 MHz pixel clock. When an ADD2 card is detected, the Intel GMA900 graphics controller is enabled and the PCI Express x16 connector is configured for DVO mode.
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Page 25: Usb
Product Description 1.6.1.4 Configuration Modes A list of supported modes for the Intel GMA900 graphics controller is available as a downloadable document. For information about Refer to Supported modes for the D915GEV board http://www.intel.com/design/motherbd/ev/ev_prdoc.htm Supported modes for the D915GRF board http://www.intel.com/design/motherbd/rf/rf_prdoc.htm... - Page 26 Intel Desktop Board D915GEV/D915GRF Technical Product Specification NOTE ATA-66 and ATA-100 are faster timings and require a specialized cable to reduce reflections, noise, and inductive coupling. The Parallel ATA IDE interface also supports ATAPI devices (such as CD-ROM drives) and ATA devices using the transfer modes.
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Page 27: Real-Time Clock, Cmos Sram, And Battery
Product Description 1.6.3.3 SCSI Hard Drive Activity LED Connector (Optional) The SCSI hard drive activity LED connector is a 1 x 2-pin connector that allows an add-in hard drive controller to use the same LED as the onboard IDE controller. For proper operation, this connector should be wired to the LED output of the add-in hard drive controller. -
Page 28: I/O Controller
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 1.8 I/O Controller The I/O controller provides the following features: • Two serial ports (Serial Port B is optional) • One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support •... -
Page 29: Audio Subsystem
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 30: Front/Back Panel Audio Connector Options For High Definition Audio Subsystem
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 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 31: Lan Subsystem
PCI Conventional bus power management Supports ACPI technology Supports LAN wake capabilities 1.10.1 10/100 Mbits/sec LAN Subsystem The 10/100 Mbits/sec LAN subsystem includes the ICH6, the Intel 82562EZ PLC, and an RJ-45 LAN connector with integrated status LEDs. ® 1.10.1.1... -
Page 32: Gigabit Lan Subsystem
Intel Desktop Board D915GEV/D915GRF Technical Product Specification Table 5 describes the LED states when the board is powered up and the 10/100 Mbits/sec LAN subsystem is operating. Table 5. LAN Connector LED States LED Color LED State Condition Green LAN link is not established. -
Page 33: Alert Standard Format (Asf) Support
Product Description Table 6. LAN Connector LED States Color LED State Condition LAN link is not established. Left Green LAN link is established. Blinking LAN activity is occurring. 10 Mbits/sec data rate is selected. Right Green 100 Mbits/sec data rate is selected. Yellow 1000 Mbits/sec data rate is selected. -
Page 34: Lan Subsystem Software
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 1.10.4 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 17 1.11 Hardware Management Subsystem The hardware management features enable the Desktop Boards to be compatible with the Wired for Management (WfM) specification. -
Page 35: Thermal Monitoring
Product Description 1.11.2 Thermal Monitoring Figure 13 shows the location of the sensors and fan connectors. OM16669 Item Description Thermal diode, located on processor die Remote ambient temperature sensor Ambient temperature sensor, internal to hardware monitoring and fan control ASIC Processor fan Rear chassis fan 1 Front chassis fan... -
Page 36: Fan Monitoring
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 1.11.3 Fan Monitoring ® Fan monitoring can be implemented using Intel Desktop Utilities, LANDesk* software, or third- party software. The level of monitoring and control is dependent on the hardware monitoring ASIC used with the Desktop Board. -
Page 37: Acpi
Product Description 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 these boards requires an operating system that provides full ACPI support. ACPI features include: •... -
Page 38: Power States And Targeted System Power
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 1.12.1.1 System States and Power States Under ACPI, the operating system directs all system and device power state transitions. The operating system puts devices in and out of low-power states based on user preferences and knowledge of how devices are being used by applications. -
Page 39: Hardware Support
Product Description 1.12.1.2 Wake-up Devices and Events Table 9 lists the devices or specific events that can wake the computer from specific states. Table 9. Wake-up Devices and Events These devices/events can wake up the computer… …from this state (Note) S1, S3, S4, S5 Modem (back panel Serial Port A) S1, S3... -
Page 40: Power Connector
Intel Desktop Board D915GEV/D915GRF Technical Product Specification Resume on Ring enables telephony devices to access the computer when it is in a power-managed state. The method used depends on the type of telephony device (external or internal). NOTE The use of Resume on Ring and Wake from USB technologies from an ACPI state requires an operating system that provides full ACPI support. -
Page 41: Instantly Available Pc Technology
Product Description Magic Packet* frame, the LAN subsystem asserts a wake-up signal that powers up the computer. Depending on the LAN implementation, the boards support LAN wake capabilities with ACPI in the following ways: • The PCI Express WAKE# signal •... -
Page 42: Location Of The Standby Power Indicator Led
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 1.12.2.9 WAKE# Signal Wake-up Support When the WAKE# signal on the PCI Express bus is asserted, the computer wakes from an ACPI S1, S3, S4, or S5 state. 1.12.2.10 +5 V Standby Power Indicator LED The +5 V standby power indicator LED shows that power is still present even when the computer appears to be off. -
Page 43: Trusted Platform Module
TPM is specifically designed to shield unencrypted keys and platform authentication information from software-based attacks. 1.13.1 System Requirements • Intel Desktop Board D915GEV or D915GRF • Microsoft Windows 2000 Professional (SP4) or Microsoft Windows XP Professional (SP1) • NTFS file system required •... -
Page 44: Security Precautions
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 1.13.3 Security Precautions Security, like any other aspect of computer maintenance requires planning. What is unique about security has to do with understanding who "friends" and adversaries are. The TPM provides mechanisms to enable the owner/user to protect their information from adversaries. To provide this protection the TPM effectively puts "locks"... -
Page 45: Trusted Platform Module Ownership
Product Description 1.13.3.2 Emergency Recovery File Back Up Procedures The Emergency Recovery Token (SPEmRecToken.xml) must be saved or moved to a removable media (floppy, USB drive, CDR, flash media, etc). Once this is done, the removable media should be stored in a secure location. DO NOT LEAVE ANY COPIES of the Emergency Recovery Token on the hard drive or within any hard drive image backups. -
Page 46: Enabling The Trusted Platform Module
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 1.13.5 Enabling the Trusted Platform Module The Trusted Platform Module is disabled by default when shipped to insure that the owner/end customer of the system initializes the TPM and configures all security passwords. The owner/end customer should use the following steps to enable the TPM. -
Page 47: Recovery Procedures
Product Description 15. Follow the instructions and create and document the locations for both the archive and restoration key files. The key archive should be located on a removable media and stored in a secure location when not in use. 16. -
Page 48: Clearing Trusted Platform Module Ownership
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 4. Follow the instructions during the Security Platform Initialization, and append the Emergency Recovery Archive to the existing archive. 5. Provide all the necessary passwords, files, and file locations as requested. It may take up to 20 minutes for Security Platform Initialization Wizard to restore the security platform settings. -
Page 49: Software Support
Product Description 1.13.9 Software Support • For assistance with the Infineon Security Platform Software, visit the web at: http://www.infineon.com • For assistance with the Wave System EMBASSY Trust Suite, visit the web at: http://www.wave.com/support/ets.html • For additional information about TPM and enhancing PC security, visit: https://www.trustedcomputinggroup.org/home... - Page 50 Intel Desktop Board D915GEV/D915GRF Technical Product Specification...
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Page 51: Technical Reference
2 Technical Reference What This Chapter Contains Introduction ........................51 Memory Resources ....................51 DMA Channels ......................53 Fixed I/O Map......................54 PCI Configuration Space Map ..................55 Interrupts ........................56 PCI Conventional Interrupt Routing Map ..............57 Connectors.........................59 Jumper Block ......................71 2.10 Mechanical Considerations..................72 2.11 Electrical Considerations ....................74 2.12 Thermal Considerations .....................76 2.13 Reliability ........................78 2.14 Environmental ......................79... -
Page 52: Detailed System Memory Address Map
Intel Desktop Board D915GEV/D915GRF Technical Product Specification • Memory-mapped I/O that is dynamically allocated for PCI Conventional and PCI Express add-in cards The amount of installed memory that can be used will vary based on add-in cards and BIOS settings. Figure 15 shows a schematic of the system memory map. All installed system memory can be used when there is no overlap of system addresses. -
Page 53: 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 54: Fixed I/O Map
Intel Desktop Board D915GEV/D915GRF 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 D915GEV/D915GRF. Refer to the ICH6 data sheet for dynamic addressing information. -
Page 55: Pci Configuration Space Map
(Note 2) PCI Conventional bus connector 4 (Note 2) Intel 82562EZ 10/100 Mbits/sec LAN PLC (if present) Notes: Present only when a PCI Express x16 graphics card is installed. Bus number is dynamic and can change based on add-in cards used. -
Page 56: Interrupts
Intel Desktop Board D915GEV/D915GRF 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 57: 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 58: Pci Interrupt Routing Map
Intel Desktop Board D915GEV/D915GRF Technical Product Specification Table 15. PCI Interrupt Routing Map ICH6 PIRQ Signal Name PCI Interrupt Source PIRQA PIRQB PIRQC PIRQD PIRQE PIRQF PIRQG PIRQH IEEE-1394a controller INTA PCI bus connector 1 INTD INTA INTB INTC PCI bus connector 2... -
Page 59: Connectors
Technical Reference 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 60: Back Panel Connectors
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 2.8.1 Back Panel Connectors Figure 16 shows the location of the back panel connectors. The back panel connectors are color-coded. The figure legend (Table 16) lists the colors used (when applicable). OM16670 Figure 16. Back Panel Connectors Table 16 lists the back panel connectors identified in Figure 16. -
Page 61: Back Panel Connectors Shown In Figure 16
Technical Reference Table 16. Back Panel Connectors Shown in Figure 16 Item/Callout from Figure 16 Description PS/2 mouse port (Green) PS/2 keyboard port (Purple) Parallel port (Burgundy) Serial port A (Teal) VGA port Audio line in/Retasking Port C (Light blue) Audio line out/Retasking Port D (Lime Green) Mic in/Retasking Port B (Pink) IEEE-1394a (optional) -
Page 62: Component-Side Connectors
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 2.8.2 Component-side Connectors Figure 17 shows the locations of the component-side connectors. T S R OM16671 Figure 17. Component-side Connectors... -
Page 63: Component-Side Connectors Shown In Figure 17
Technical Reference Table 17 lists the component-side connectors identified in Figure 17. Table 17. Component-side Connectors Shown in Figure 17 Item/Callout from Figure 17 Description PCI Conventional bus add-in card connector 4 Rear chassis fan connector 2 PCI Conventional bus add-in card connector 3 PCI Express x1 bus add-in card connector 2 ATAPI CD-ROM connector (optional) PCI Express x1 bus add-in card connector 1... -
Page 64: S/Pdif Connector (Optional)
Intel Desktop Board D915GEV/D915GRF Technical Product Specification Table 18. S/PDIF Connector (Optional) Signal Name +5 V S/PDIF Output Ground Table 19. ATAPI CD-ROM Connector (Optional) Signal Name Left audio input from CD-ROM CD audio differential ground CD audio differential ground Right audio input from CD-ROM Table 20. -
Page 65: Scsi Hard Drive Activity Led Connector (Optional)
Technical Reference Table 23. SCSI Hard Drive Activity LED Connector (Optional) Signal Name SCSI_ACT# No connect Table 24. Serial ATA Connectors Signal Name Ground Ground Ground Table 25. Processor Fan Connector Signal Name Ground +12 V FAN_TACH FAN_CONTROL 2.8.2.1 Chassis Fan Connectors The board has three standard and one optional chassis fan connectors: •... -
Page 66: Main Power Connector
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 67: Atx12V Power Connector
The SMBus clock line is connected to pin A40. The SMBus data line is connected to pin A41. NOTE The PCI Express x16 connector is configured to support only a PCI Express x1 link when the Intel GMA900 graphics controller is enabled. -
Page 68: Connection Diagram For Front Panel Connector
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 2.8.2.4 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 30. Auxiliary Front Panel Power/Sleep LED Connector... -
Page 69: States For A One-Color Power Led
Technical Reference 2.8.2.5.1 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 70: Connection Diagram For Front Panel Usb Connectors
Intel Desktop Board D915GEV/D915GRF Technical Product Specification • Use only a front panel USB connector that conforms to the USB 2.0 specification for high- speed USB devices. Power Power (+5 V DC) (+5 V DC) Port Port Ground Ground Key (no pin) -
Page 71: 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 21 shows the location of the jumper block. The 3-pin jumper block determines the BIOS Setup program’s mode. -
Page 72: Mechanical Considerations
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 2.10 Mechanical Considerations 2.10.1 Form Factor The boards are designed to fit into an ATX-form-factor chassis. Figure 22 illustrates the mechanical form factor. Dimensions are given in inches [millimeters]. The outer dimensions are 12.00 inches by 9.60 inches [304.80 millimeters by 243.84 millimeters]. -
Page 73: 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 74: Electrical Considerations
Intel Desktop Board D915GEV/D915GRF Technical Product Specification 2.11 Electrical Considerations 2.11.1 DC Loading Table 35 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 75: 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 76: Thermal Considerations
Failure to ensure appropriate airflow may result in reduced performance of both the processor and/or voltage regulator or, in some instances, damage to the board. For a list of chassis that have been tested with Intel desktop boards please refer to the following website: http://developer.intel.com/design/motherbd/cooling.htm All responsibility for determining the adequacy of any thermal or system design remains solely with the reader. -
Page 77: Localized High Temperature Zones
(item A in Figure 25) can reach a temperature of up to 85 C in an open chassis. Figure 25 shows the locations of the localized high temperature zones. OM16673 Item Description Processor voltage regulator area Processor Intel 82915G GMCH Intel 82801FB ICH6 Figure 25. Localized High Temperature Zones... -
Page 78: Reliability
Intel 82801FB ICH6 C (under bias) For information about Refer to Intel Pentium 4 processor datasheets and specification updates Section 1.3, page 17 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 79: Environmental
Technical Reference 2.14 Environmental Table 38 lists the environmental specifications for the board. Table 38. 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 Product Weight (pounds) -
Page 80: Regulatory Compliance
Intel Desktop Board D915GEV/D915GRF 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 39 lists the safety regulations the Desktop Boards D915GEV and D915GRF comply with when correctly installed in a compatible host system. -
Page 81: 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 82: 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 83: Product Certification Markings (Board Level)
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 D915GEV or D915GRF model designation (component side). - Page 84 Intel Desktop Board D915GEV/D915GRF Technical Product Specification...
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Page 85: Overview Of Bios Features
BIOS Security Features....................91 3.1 Introduction The boards use 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 86: Bios Flash Memory Organization
Intel Desktop Board D915GEV/D915GRF Technical Product Specification Table 42 lists the BIOS Setup program menu features. Table 42. BIOS Setup Program Menu Bar Maintenance Main Advanced Security Power Boot Exit Clears Displays Configures Sets Configures Selects boot Saves or passwords and... -
Page 87: 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 88: 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 89: 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 90: 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 91: 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 92 Intel Desktop Board D915GEV/D915GRF Technical Product Specification...
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Page 93: Error Messages And Beep Codes
4 Error Messages and Beep Codes What This Chapter Contains BIOS Error Messages ....................93 Port 80h POST Codes....................95 Bus Initialization Checkpoints ..................99 Speaker........................100 BIOS Beep Codes ....................100 4.1 BIOS Error Messages Table 46 lists the error messages and provides a brief description of each. Table 46. - Page 94 Intel Desktop Board D915GEV/D915GRF Technical Product Specification Table 46. 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 95: 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 96: Runtime Code Uncompressed In F000 Shadow Ram
Intel Desktop Board D915GEV/D915GRF Technical Product Specification Table 49. 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 97 Error Messages and Beep Codes Table 49. 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 98 Intel Desktop Board D915GEV/D915GRF Technical Product Specification Table 49. 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 99: Bus Initialization Checkpoints
Error Messages and Beep Codes Table 49. 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 100: Speaker
Intel Desktop Board D915GEV/D915GRF Technical Product Specification Table 52 describes the lower nibble of the high byte and indicates the bus on which the routines are being executed. Table 52. Lower Nibble High Byte Functions Value Description Generic DIM (Device Initialization Manager)
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