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Intel D915GUX Specification

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Intel
D915GUX/D915GHA
Technical Product Specification
®
The Intel
Desktop Board D915GUX/D915GHA 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 D915GUX/D915GHA Specification Update.
®
Desktop Boards
June 2004
Order Number: C74530-001

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Summary of Contents for Intel D915GUX

  • Page 1 Order Number: C74530-001 ® The Intel Desktop Board D915GUX/D915GHA 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 D915GUX/D915GHA Specification Update.

  • 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

    The TPS is intended to provide detailed, technical information about the Desktop Boards D915GUX and D915GHA and their components to the vendors, system integrators, and other engineers and technicians who need this level of information. It is specifically not intended for general audiences.
  • Page 4 When used in the description of a component, N indicates component type, xn are the relative coordinates of its location on the Desktop Boards D915GUX and D915GHA, and X is the instance of the particular part at that general location. For example, J5J1 is a connector, located at 5J.

  • Page 5: Table Of Contents

    Online Support ......................17 Processor ........................17 System Memory ......................18 1.5.1 Memory Configurations ................19 ® Intel 915G Chipset....................23 1.6.1 Intel 915G Graphics Subsystem..............23 1.6.2 USB ......................25 1.6.3 IDE Support ....................25 1.6.4 Real-Time Clock, CMOS SRAM, and Battery..........27 PCI Express Connectors ....................27 I/O Controller......................27 1.8.1...
  • Page 6 Intel Desktop Board D915GUX/D915GHA Technical Product Specification 1.13.3 Security Precautions ..................43 1.13.4 Trusted Platform Module Ownership ............44 1.13.5 Enabling the Trusted Platform Module ............45 1.13.6 Assuming Trusted Platform Module Ownership ...........45 1.13.7 Recovery Procedures...................46 1.13.8 Clearing Trusted Platform Module Ownership..........47 1.13.9...
  • Page 7 Network Boot ....................83 3.7.3 Booting Without Attached Devices ...............83 3.7.4 Changing the Default Boot Device During POST .........83 ® Fast Booting Systems with Intel Rapid BIOS Boot............84 3.8.1 Peripheral Selection and Configuration ............84 3.8.2 Intel Rapid BIOS Boot ..................84 BIOS Security Features....................85 4 Error Messages and Beep Codes BIOS Error Messages ....................87...
  • Page 8 Intel Desktop Board D915GUX/D915GHA 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 .................36 Power States and Targeted System Power ..............37 Wake-up Devices and Events..................38...
  • Page 9 Contents Uncompressed INIT Code Checkpoints..............89 Boot Block Recovery Code Checkpoints ..............89 Runtime Code Uncompressed in F000 Shadow RAM ..........90 Bus Initialization Checkpoints ..................93 Upper Nibble High Byte Functions................93 Lower Nibble High Byte Functions................94 Beep Codes .......................94...
  • Page 10 Intel Desktop Board D915GUX/D915GHA Technical Product Specification...

  • 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

    Intel Desktop Board D915GUX/D915GHA Technical Product Specification 1.2 Overview 1.2.1 Feature Summary Table 1 summarizes the major features of the Desktop Boards D915GUX and D915GHA. Table 1. Feature Summary Form Factor microATX Form Factor (9.60 inches by 9.60 inches [243.84 millimeters by 243.84 millimeters])

  • Page 13: Manufacturing Options

    • Fan speed control 1.2.2 Manufacturing Options Table 2 describes the manufacturing options on the Desktop Boards D915GUX and D915GHA. 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 D915GUX/D915GHA Technical Product Specification 1.2.3 Board Layout Figure 1 shows the location of the major components on the Desktop Board D915GUX/D915GHA. F G H OM16656 Figure 1. Board Components Table 3 lists the components identified in Figure 1.

  • Page 15: Board Components Shown In Figure 1

    4 Mbit Firmware Hub (FWH) Front chassis fan connector Serial ATA connectors Auxiliary front panel power LED connector Front panel connector Front panel USB connector Intel 82801FB I/O Controller Hub (ICH6) Front panel IEEE-1394a connectors (optional) IEEE-1394a controller (optional) Speaker...

  • Page 16: Block Diagram

    Intel Desktop Board D915GUX/D915GHA 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 D915GUX/D915GHA 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 D915GUX/D915GHA 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 D915GUX/D915GHA 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.

  • 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 D915GUX board http://www.intel.com/design/motherbd/ux/ux_prdoc.htm Supported modes for the D915GHA board http://www.intel.com/design/motherbd/ha/ha_prdoc.htm...
  • Page 26 Intel Desktop Board D915GUX/D915GHA 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.

  • Page 27: Real-Time Clock, Cmos Sram, And Battery

    Product Description For information about Refer to The location of the SCSI hard drive activity LED connector Figure 17, page 58 The signal names of the SCSI hard drive activity LED connector Table 25, page 61 1.6.4 Real-Time Clock, CMOS SRAM, and Battery A coin-cell battery (CR2032) powers the real-time clock and CMOS memory.

  • Page 28: Serial Ports

    Intel Desktop Board D915GUX/D915GHA Technical Product Specification • Intelligent power management, including a programmable wake-up event interface • PCI Conventional bus power management support The BIOS Setup program provides configuration options for the I/O controller. 1.8.1 Serial Ports The Desktop Board can support up to two serial port connectors. Serial port A is located on the back panel.

  • 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: Intel ® High Definition Audio Subsystem

    Intel Desktop Board D915GUX/D915GHA 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 D915GUX/D915GHA 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

    Wireless Connect Technology (Optional) ® ® Intel Wireless Connect Technology is available for Intel 82801FBW (ICH6W) based SKUs that ® use an Intel PRO/Wireless 2225BG add-in card. Intel Wireless Connect Technology enables any desktop PC to join a wireless network or provide wireless Access Point services to a home or small office network through a wireless configuration wizard.

  • Page 34: Lan Subsystem Software

    • Integrated Access Point that can support up to 16 clients NOTE The Intel Wireless Connect Technology option is available only on the D915GUX board. It is not available on the D915GHA board. 1.10.5 LAN Subsystem Software LAN software and drivers are available from Intel’s World Wide Web site.

  • Page 35: Thermal Monitoring

    Figure 13. Thermal Monitoring 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 36: Chassis Intrusion And Detection

    Intel Desktop Board D915GUX/D915GHA Technical Product Specification 1.11.4 Chassis Intrusion and Detection The boards support a chassis security feature that detects if the chassis cover is removed. The security feature uses a mechanical switch on the chassis that attaches to the chassis intrusion connector.

  • Page 37: Power States And Targeted System Power

    Product Description 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. Devices that are not being used can be turned off.

  • Page 38: Hardware Support

    Intel Desktop Board D915GUX/D915GHA Technical Product Specification 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…...

  • Page 39: Power Connector

    Product Description 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 40 Intel Desktop Board D915GUX/D915GHA Technical Product Specification 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: •...

  • Page 41: Location Of The Standby Power Indicator Led

    Product Description 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 42: Trusted Platform Module (Optional)

    Intel Desktop Board D915GUX/D915GHA Technical Product Specification 1.13 Trusted Platform Module (Optional) The optional Trusted Platform Module (TPM) is a component on the desktop board that is specifically designed to enhance platform security above-and-beyond the capabilities of today’s software by providing a protected space for key operations and other security critical tasks. Using both hardware and software, the TPM protects encryption and signature keys at their most vulnerable stages—operations when the keys are being used unencrypted in plain-text form.

  • Page 43: Security Precautions

    Product Description 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 44: Trusted Platform Module Ownership

    Intel Desktop Board D915GUX/D915GHA Technical Product Specification etc.), and have them available for future use. These documents should be updated after any password changes. 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).

  • Page 45: Enabling The Trusted Platform Module

    Product Description 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. 1.

  • Page 46: Recovery Procedures

    Intel Desktop Board D915GUX/D915GHA Technical Product Specification 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.

  • Page 47: Clearing Trusted Platform Module Ownership

    Product Description 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. 6.

  • Page 48: Software Support

    Intel Desktop Board D915GUX/D915GHA Technical Product Specification 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 •...

  • Page 49: Technical Reference

    2 Technical Reference What This Chapter Contains Introduction ........................49 Memory Resources ....................49 DMA Channels ......................51 Fixed I/O Map......................52 PCI Configuration Space Map ..................53 Interrupts ........................54 PCI Conventional Interrupt Routing Map ..............55 Connectors.........................56 Jumper Block ......................67 2.10 Mechanical Considerations..................68 2.11 Electrical Considerations ....................70 2.12 Thermal Considerations .....................72 2.13 Reliability ........................74 2.14 Environmental ......................74...

  • Page 50: Detailed System Memory Address Map

    Intel Desktop Board D915GUX/D915GHA 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 51: 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 52: Fixed I/O Map

    Intel Desktop Board D915GUX/D915GHA 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 D915GUX/D915GHA. Refer to the ICH6 data sheet for dynamic addressing information.

  • Page 53: Pci Configuration Space Map

    (Note 2) PCI Conventional bus connector 2 (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 54: Interrupts

    Intel Desktop Board D915GUX/D915GHA 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 55: 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 56: Connectors

    Intel Desktop Board D915GUX/D915GHA 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 57: Back Panel Connectors Shown In Figure 16

    Technical Reference Table 16 lists the back panel connectors identified in Figure 16. 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.

  • Page 58: Component-Side Connectors

    Intel Desktop Board D915GUX/D915GHA Technical Product Specification 2.8.2 Component-side Connectors Figure 17 shows the locations of the component-side connectors. OM16661 Figure 17. Component-side Connectors Table 17 lists the component-side connectors identified in Figure 17.

  • Page 59: Component-Side Connectors Shown In Figure 17

    Technical Reference Table 17. Component-side Connectors Shown in Figure 17 Item/Callout from Figure 17 Description S/PDIF connector (optional) 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 PCI Express x16 bus add-in card connector Rear chassis fan connector Alternate power connector...

  • Page 60: S/Pdif Connector (Optional)

    Intel Desktop Board D915GUX/D915GHA 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 61: Serial Port B Connector (Optional)

    Technical Reference Table 23. Serial Port B Connector (optional) Signal Name Signal Name Ground Not connected Table 24. Chassis Intrusion Connector Signal Name Intruder Ground Table 25. SCSI Hard Drive Activity LED Connector (Optional) Signal Name SCSI_ACT# No connect Table 26. Serial ATA Connectors Signal Name Ground...

  • Page 62: 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 63: 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 64: Connection Diagram For Front Panel Connector

    Intel Desktop Board D915GUX/D915GHA 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 30. Auxiliary Front Panel Power/Sleep LED Connector...

  • Page 65: 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 66: Connection Diagram For Front Panel Usb Connectors

    Intel Desktop Board D915GUX/D915GHA Technical Product Specification • 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 Power...

  • Page 67: 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 68: Mechanical Considerations

    Intel Desktop Board D915GUX/D915GHA Technical Product Specification 2.10 Mechanical Considerations 2.10.1 Form Factor The boards are designed to fit into either a microATX or an ATX-form-factor chassis. Figure 22 illustrates the mechanical form factor of the board. Dimensions are given in inches [millimeters].

  • Page 69: 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 70: Electrical Considerations

    Intel Desktop Board D915GUX/D915GHA 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 71: 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 72: 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 73: Localized High Temperature Zones

    Intel 82801FB ICH6 Figure 25. Localized High Temperature Zones Table 37 provides maximum case temperatures for the Desktop Board D915GUX/D915GHA components that are sensitive to thermal changes. The operating temperature, current load, or operating frequency could affect case temperatures. Maximum case temperatures are important...

  • Page 74: Reliability

    Procedure, TR-NWT-000332, Issue 4, September 1991. The MTBF prediction is used to estimate repair rates and spare parts requirements. The MTBF data is calculated from predicted data at 55 ºC. The MTBF for the D915GUX and D915GHA boards is 110,262 hours.

  • Page 75: 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 D915GUX and D915GHA comply with when correctly installed in a compatible host system. Table 39.

  • Page 76: 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 77: 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 78: 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 D915GUX or D915GHA model designation (component side).

  • Page 79: Overview Of Bios Features

    BIOS Security Features....................85 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 80: Bios Flash Memory Organization

    Intel Desktop Board D915GUX/D915GHA 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 81: 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 82: 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 83: 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 84: 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 85: 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 86 Intel Desktop Board D915GUX/D915GHA Technical Product Specification...

  • Page 87: Error Messages And Beep Codes

    4 Error Messages and Beep Codes What This Chapter Contains BIOS Error Messages ....................87 Port 80h POST Codes....................89 Bus Initialization Checkpoints ..................93 Speaker........................94 BIOS Beep Codes ......................94 4.1 BIOS Error Messages Table 46 lists the error messages and provides a brief description of each. Table 46.
  • Page 88 Intel Desktop Board D915GUX/D915GHA 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.

  • Page 89: 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 90: Runtime Code Uncompressed In F000 Shadow Ram

    Intel Desktop Board D915GUX/D915GHA 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 91 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 92 Intel Desktop Board D915GUX/D915GHA 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.

  • Page 93: 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 94: Speaker

    Intel Desktop Board D915GUX/D915GHA 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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