Intel D915GAG Product Specification

Intel D915GAG Manual

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  • Intel D915GAG | Product Specification - Page 1
    ® Desktop Boards D915GAV/D915GAG Technical Product Specification December 2004 Order Number: C68600-002 The Intel® Desktop Board D915GAV/D915GAG may contain design defects or errors known as errata that may cause the product to deviate from published specifications. Current characterized
  • Intel D915GAG | Product Specification - Page 2
    or characteristics of any features or instructions marked "reserved" or "undefined." Intel reserves these for future definition and 1793-421-333, other Countries 708-296-9333. Intel, Pentium, and Celeron are registered trademarks of Intel Corporation or its subsidiaries in the United States and other
  • Intel D915GAG | Product Specification - Page 3
    connectors, power and environmental requirements, and the BIOS for these Intel® Desktop Boards: D915GAV and D915GAG. It describes the standard and D915GAG A map of the resources of the Desktop Boards The features supported by the BIOS Setup program A description of the BIOS error messages, beep
  • Intel D915GAG | Product Specification - Page 4
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification WARNING Warnings indicate conditions, which if not observed, can cause personal injury. Other Common Notation # (NxnX) GB GB/
  • Intel D915GAG | Product Specification - Page 5
    Board Layouts 14 1.3.4 Block Diagram 18 1.4 Online Support ...19 1.5 Processor ...19 1.6 System Memory ...20 1.6.1 Memory Configurations 22 1.7 Intel® 915G Chipset ...26 1.7.1 Intel 915G Graphics Subsystem 26 1.7.2 USB ...28 1.7.3 IDE Support 28 1.7.4 Real-Time Clock, CMOS SRAM, and Battery
  • Intel D915GAG | Product Specification - Page 6
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 1.14.4 1.14.5 1.14.6 1.14.7 Module Ownership 51 Recovery Procedures 52 Clearing Trusted Platform Module Ownership 53 Software Support 54 2 Technical Reference 2.1 Introduction ...55 2.2 Memory Resources ...55 2.2.1
  • Intel D915GAG | Product Specification - Page 7
    BIOS Updates ...94 3.6.1 Language Support 94 3.6.2 Custom Splash Screen 94 3.7 Boot Options ...95 3.7.1 CD-ROM Boot 95 3.7.2 Network Boot 95 3.7.3 Booting Without Attached Devices 95 3.7.4 Changing the Default Boot Device During POST 95 3.8 Fast Booting Systems with Intel® Rapid BIOS Boot 96
  • Intel D915GAG | Product Specification - Page 8
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 27. I/O Shield Dimensions 80 28. Processor Heatsink for Omni- Components Shown in Figure 2 17 6. Supported System Bus Frequency and Memory Speed Combinations 20 7. Supported Memory Configurations 21 8. LAN Connector LED
  • Intel D915GAG | Product Specification - Page 9
    Contents 43. Safety Regulations ...87 44. EMC Regulations ...87 45. Product Certification Markings 90 46. BIOS Setup Program Menu Bar 92 47. BIOS Setup Program Function Keys 92 48. Boot Device Menu Options 95 49. Supervisor and User Password Functions 97 50. BIOS Error Messages 99 51.
  • Intel D915GAG | Product Specification - Page 10
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification x
  • Intel D915GAG | Product Specification - Page 11
    What This Chapter Contains 1.1 PCI Bus Terminology Change 11 1.2 Board Differences ...11 1.3 Overview ...12 1.4 Online Support ...19 1.5 Processor ...19 1.6 System Memory ...20 1.7 Intel® 915G Chipset ...26 1.8 PCI Express Connectors 30 1.9 I/O Controller...31 1.10 Audio Subsystem ...32 1.11 LAN
  • Intel D915GAG | Product Specification - Page 12
    .80 millimeters by 243.84 millimeters]) • D915GAG: microATX Form Factor (9.60 inches by 9.60 inches [243.84 millimeters by 243.84 millimeters]) Support for an Intel® Pentium® 4 processor in an LGA775 socket with an 800 or 533 MHz system bus Memory • Four DDR SDRAM Dual Inline Memory Module (DIMM
  • Intel D915GAG | Product Specification - Page 13
    Available PC Technology • Support for PCI Local Bus Specification Revision 2.2 • Support for PCI Express Revision 1.0a • Suspend to RAM support • Wake on PCI Gigabit Ethernet Controller • 10/100 Mbits/sec LAN subsystem using the Intel® 82562EZ Platform LAN Connect (PLC) device • No LAN subsystem
  • Intel D915GAG | Product Specification - Page 14
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 1.3.3 Board Layouts Figure 1 shows the location of the major components on the Desktop Board D915GAV. A B D F G HI J K L CE M N O MM
  • Intel D915GAG | Product Specification - Page 15
    chassis fan connector 1 L Back panel connectors M Alternate power connector N +12V power connector (ATX12V) O LGA775 processor socket P Processor fan connector Q Intel 82915G GMCH R DIMM Channel A sockets S Serial port B connector (optional) T DIMM Channel B sockets U SCSI LED
  • Intel D915GAG | Product Specification - Page 16
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification Figure 2 shows the location of the major components on the Desktop Board D915GAG. A C E FG H I J BD K L KK M JJ II
  • Intel D915GAG | Product Specification - Page 17
    J Back panel connectors K Alternate power connector L +12V power connector (ATX12V) M LGA775 processor socket N Hardware monitoring and fan control ASIC O Processor fan connector P Intel 82915G GMCH Q DIMM Channel A sockets R Serial port B connector (optional) S DIMM Channel
  • Intel D915GAG | Product Specification - Page 18
    PCI Express x1 Slot 2 D915GAV only Parallel ATA IDE Connector Parallel ATA IDE Interface LGA775 Processor Socket System Bus (800/533 MHz) PCI Express x16 Interface PCI Express x16 Connector Intel 82915G Graphics and Memory Controller Hub (GMCH) VGA Port Channel A DIMMs (2) Display Interface
  • Intel D915GAG | Product Specification - Page 19
    Board D915GAG Processor data sheets ICH6 addressing Custom splash screens Audio software and utilities LAN software and drivers Visit this World Wide Web site: http://www.intel.com/design/motherbd http://support.intel.com/support/motherboards/desktop http://developer.intel.com/design/motherbd
  • Intel D915GAG | Product Specification - Page 20
    MHz and DDR 333 MHz SDRAM DIMMs Table 6 lists the supported system bus frequency and memory speed combinations. Table 6. Supported System Bus Frequency and Memory Speed Combinations To use this type of DIMM... DDR 400 DDR 333 (Note) The processor's system bus frequency must be... 800 MHz 800 or
  • Intel D915GAG | Product Specification - Page 21
    Product Description Table 7 lists the supported DIMM configurations. Table 7. Supported Memory Configurations DIMM Capacity SDRAM Configuration Density SDRAM Organization Front-side/Back-side Number of SDRAM Devices 128 MB SS 256 Mbit 16 M x 16/empty 4
  • Intel D915GAG | Product Specification - Page 22
    Desktop Board D915GAV/D915GAG Technical Product Specification 1.6.1 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
  • Intel D915GAG | Product Specification - Page 23
    Product Description 1.6.1.1 Dual Channel (Interleaved) Mode Configurations Figure 5 shows a dual channel configuration using two DIMMs. In this example, the DIMM0 (blue) sockets of both channels are populated with identical DIMMs. 1 GB 1 GB Channel A, DIMM 0 Channel A, DIMM 1 Channel B, DIMM 0
  • Intel D915GAG | Product Specification - Page 24
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification Figure 7 shows a dual channel configuration using four DIMMs. In this example, the combined capacity of the two DIMMs
  • Intel D915GAG | Product Specification - Page 25
    Product Description 1.6.1.2 Single Channel (Asymmetric) Mode Configurations NOTE Dual channel (Interleaved) mode configurations provide the highest memory throughput. Figure 8 shows a single channel configuration using one DIMM. In this example, only the DIMM0 (blue) socket of Channel A is
  • Intel D915GAG | Product Specification - Page 26
    333 MHz core frequency ⎯ 256-bit 2-D engine ⎯ 32-bit 3-D engine ⎯ Motion video acceleration ⎯ Pixel Shader 2.0 ⎯ 4-pixel pipes ⎯ DirectX* 9.0 Hardware Acceleration ⎯ Software Vertex Shader • Up to 2048 x 1536 at 75 Hz refresh • With Advanced Digital Display 2 (ADD2) card support flat panel displays
  • Intel D915GAG | Product Specification - Page 27
    ADD2 card • Dynamic Video Memory Technology (DVMT) support up to 224 MB • Intel® Zoom Utility For information about DVMT Obtaining graphics software use of DVMT requires operating system driver support. 1.7.1.3 Advanced Digital Display 2 (ADD2) Card Support The GMCH routes two multiplexed DVO ports
  • Intel D915GAG | Product Specification - Page 28
    the D915GAG board Refer to http://www.intel.com/design/motherbd/av/av_prdoc.htm http://www.intel.com/design/motherbd/ag/ag_prdoc.htm 1.7.2 USB The boards support up to eight USB 2.0 ports, supports UHCI and EHCI, and uses UHCI- and EHCI-compatible drivers. The ICH6 provides the USB controller for
  • Intel D915GAG | Product Specification - Page 29
    (LBA) and Extended Cylinder Head Sector (ECHS) translation modes. The drive reports the transfer rate and translation mode to the BIOS. The boards support Laser Servo (LS-120) diskette technology through the Parallel ATA IDE interfaces. An LS-120 drive can be configured as a boot device by setting
  • Intel D915GAG | Product Specification - Page 30
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 1.7.3.3 SCSI Hard Drive Activity LED • Automatic discovery, link training, and initialization • Support for Active State Power Management (ASPM) • SMBus 2.0 support • Wake# signal supporting wake events from ACPI S1, S3, S4,
  • Intel D915GAG | Product Specification - Page 31
    (Serial Port B is optional) • 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 • PS/2-style mouse and keyboard interfaces • Interface for one 1.44 MB or 2.88
  • Intel D915GAG | Product Specification - Page 32
    keyboard and mouse connectors Refer to Figure 18, page 64 1.10 Audio Subsystem The boards support the Intel High Definition audio subsystem based on the Realtek ALC860 codec. The audio subsystem supports the following features: • Advanced jack sense (front and rear panel) that enables the audio
  • Intel D915GAG | Product Specification - Page 33
    Product Description 1.10.1 Audio Subsystem Software Audio software and drivers are available from Intel's World Wide Web site. For information about Refer to Obtaining audio software and drivers Section 1.4, page 19 1.10.2 Audio Connectors The boards contain audio connector on both the back
  • Intel D915GAG | Product Specification - Page 34
    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. The available configurable audio
  • Intel D915GAG | Product Specification - Page 35
    connect interface that supports the 82562EZ • PCI Conventional bus power management ⎯ Supports ACPI technology ⎯ Supports LAN wake Intel® 82562EZ Physical Layer Interface Device The Intel 82562EZ provides the following functions: • Basic 10/100 Ethernet LAN connectivity • Full device driver
  • Intel D915GAG | Product Specification - Page 36
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 1.11.1.2 RJ-45 LAN 802.1q support • 10/100/1000 IEEE 802.3 compliant • Compliant to 802.3x flow control support • Jumbo frame support • TCP, IP, UDP checksum offload • Automatic MDI/MDIX crossover • Full device driver compatibility
  • Intel D915GAG | Product Specification - Page 37
    the following ASF support for the onboard 10/100/1000 LAN subsystem, PCI Express x1 bus add-in LAN cards, and PCI Conventional bus add-in LAN cards installed in PCI Conventional bus slot 2: • Monitoring of system firmware progress events, including: ⎯ BIOS present ⎯ Primary processor initialization
  • Intel D915GAG | Product Specification - Page 38
    drivers are available from Intel's World Wide Web site. For information about Refer to Obtaining LAN software and drivers temperature sensor • Two remote thermal diode sensors for direct monitoring of processor temperature and ambient temperature sensing • Power supply monitoring of five voltages
  • Intel D915GAG | Product Specification - Page 39
    of the sensors and fan connectors for the D915GAV board. 13 3 1 A CB 4 1 D 13 1 3 Item A B C D E F G H HG F E OM16669 Description Thermal diode, located on processor die Remote ambient temperature sensor Ambient temperature sensor, internal to hardware monitoring and fan control ASIC
  • Intel D915GAG | Product Specification - Page 40
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification Figure 15 shows the location of the sensors and fan connectors for the D915GAG board. 3 1 A CB 4 1 D 1 3 Item A B C D E F F E OM16659 Description Thermal diode, located on processor die Remote ambient temperature sensor
  • Intel D915GAG | Product Specification - Page 41
    can be implemented using Intel® Desktop Utilities, LANDesk* 45 1.12.4 Chassis Intrusion and Detection The boards support a chassis security feature that detects if the boards (some add-in boards may require an ACPI-aware driver), video displays, and hard disk drives • Methods for achieving
  • Intel D915GAG | Product Specification - Page 42
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification Table 10 lists the system states based on how long the power switch is pressed, depending on how
  • Intel D915GAG | Product Specification - Page 43
    supported by the boards along with the associated system power targets. See the ACPI specification for a complete description of the various system and power states. Table 11. Power States and Targeted System Power Global States G0 - working state Sleeping States S0 - working Processor Service
  • Intel D915GAG | Product Specification - Page 44
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 1.13.1.2 Wake requires an operating system that provides full ACPI support. In addition, software, drivers, and peripherals must fully support ACPI wake events. 1.13.2 Hardware Support CAUTION Ensure that the power supply provides
  • Intel D915GAG | Product Specification - Page 45
    tachometer input of the hardware monitoring and fan control ASIC. • All fan connectors support closed-loop fan control that can adjust the fan speed or switch the fan monitoring on the D915GAG board The signal names of the processor fan connector The signal names of the chassis fan connectors Refer
  • Intel D915GAG | Product Specification - Page 46
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 1.13.2.3 LAN Wake . 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. 1.13.2.5 Resume on Ring The operation of Resume on
  • Intel D915GAG | Product Specification - Page 47
    from an ACPI S1 or S3 state. 1.13.2.8 PME# Signal Wake-up Support When the PME# signal on the PCI Conventional bus is asserted, the computer (with Wake on PME enabled in BIOS). 1.13.2.9 WAKE# Signal Wake-up Support When the WAKE# signal on the PCI Express bus is asserted, the computer wakes
  • Intel D915GAG | Product Specification - Page 48
    attacks. 1.14.1 System Requirements • Intel Desktop Board D915GAV or D915GAG • follow the instructions below may cause you to lose data. Read and follow these instructions prior to Trusted a platform failure and/or replacement of the motherboard, recovery procedures may allow migratable keys to be
  • Intel D915GAG | Product Specification - Page 49
    Product Description 1.14.3 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
  • Intel D915GAG | Product Specification - Page 50
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 1.14.3.2 Emergency Recovery File Back Up Procedures The Emergency Recovery Token (SPEmRecToken.xml) must be saved or moved
  • Intel D915GAG | Product Specification - Page 51
    Product Description 1.14.5 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
  • Intel D915GAG | Product Specification - Page 52
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 15. Follow the instructions and create and document the locations for is not present when a new key is generated, then keys will have to be manually backed up using the Key Transfer Manager when the removable media is available. 19.
  • Intel D915GAG | Product Specification - Page 53
    Recovery procedures may allow the migratable keys to be recovered and might restore access to encrypted data. (Review the Recovery Procedures for detailed instructions). The TPM may be cleared to transfer ownership of the platform to a new owner. 1. Observe precautions in the above WARNING then open
  • Intel D915GAG | Product Specification - Page 54
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 1.14.9 Software Support • For assistance with the Infineon Security Platform 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:
  • Intel D915GAG | Product Specification - Page 55
    2 Technical Reference What This Chapter Contains 2.1 Introduction ...55 2.2 Memory Resources ...55 2.3 DMA Channels ...57 2.4 Fixed I/O Map...58 2.5 PCI Configuration Space Map 59 2.6 Interrupts ...60 2.7 PCI Conventional Interrupt Routing Map 61 2.8 Connectors...63 2.9 Jumper Block ...77 2.10
  • Intel D915GAG | Product Specification - Page 56
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification • MCH base address registers, internal graphics ranges, PCI Express ports (up to 512 MB) • Memory-mapped I/O that is
  • Intel D915GAG | Product Specification - Page 57
    Technical Reference 2.2.2 Memory Map Table 13 lists the system memory map. Table 13. System Memory Map Address Range (decimal) 1024 K - 4194304 K 960 K - 1024 K 896 K - 960 K 800 K - 896 K Address Range (hex) 100000 - FFFFFFFF F0000 - FFFFF E0000 - EFFFF C8000 - DFFFF 640 K - 800 K 639 K - 640
  • Intel D915GAG | Product Specification - Page 58
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 2.4 Fixed I/O Map Table 15. I/O Map Address (hex) Size Description 0000 - 00FF 0170 - 0177 256 bytes 8 bytes Used by
  • Intel D915GAG | Product Specification - Page 59
    bus connector 2 (Note 3) 02 00 PCI Conventional bus connector 3 (Note 2) (Note 3) 03 00 PCI Conventional bus connector 4 (Note 2) (Note 3) 08 00 Intel 82562EZ 10/100 Mbits/sec LAN PLC (if present) Notes: 1. Present only when a PCI Express x16 graphics card is installed. 2. Not present
  • Intel D915GAG | Product Specification - Page 60
    Intel Desktop Board D915GAV/D915GAG 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
  • Intel D915GAG | Product Specification - Page 61
    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
  • Intel D915GAG | Product Specification - Page 62
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification Table 18. PCI Interrupt Routing Map PCI Interrupt Source ICH6 LAN PCI bus connector 1 PCI bus connector 2 PCI
  • Intel D915GAG | Product Specification - Page 63
    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
  • Intel D915GAG | Product Specification - Page 64
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 2.8.1 Back Panel Connectors Figure 18 shows the location of the back panel connectors. The back panel connectors are
  • Intel D915GAG | Product Specification - Page 65
    Port D (Lime Green) H Mic in/Retasking Port B (Pink) I IEEE-1394a (optional) J USB ports (two) K LAN L USB ports (two) NOTE The D915GAG board supports a manufacturing option for no LAN subsystem. On D915GAG boards with no LAN subsystem, the back panel LAN connector is not present. 65
  • Intel D915GAG | Product Specification - Page 66
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 2.8.2 Component-side Connectors Figure 19 shows the locations of the component-side connectors on the D915GAV board. B D FH J L
  • Intel D915GAG | Product Specification - Page 67
    chassis fan connector 1 O Alternate power connector P +12V power connector (ATX12V) Q SCSI LED (optional) R Serial port B (optional) S Processor fan connector T Power connector U Diskette drive connector V Parallel ATA IDE connector W Chassis intrusion connector X Front chassis
  • Intel D915GAG | Product Specification - Page 68
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification Figure 20 shows the locations of the component-side connectors on the D915GAG board. BD AC E F G I H BB AA
  • Intel D915GAG | Product Specification - Page 69
    F PCI Express x16 bus add-in card connector G Rear chassis fan connector H Alternate power connector I +12V power connector (ATX12V) J Processor fan connector K Serial port B (optional) L SCSI LED (optional) M Power connector N Diskette drive connector O Parallel ATA IDE connector
  • Intel D915GAG | Product Specification - Page 70
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification Table 22. S/PDIF Connector (Optional) Pin Signal Name 1 +5 V 2 S/PDIF Output 3 Ground Table 23. ATAPI CD-ROM Connector (Optional)
  • Intel D915GAG | Product Specification - Page 71
    connect Table 28. Serial ATA Connectors Pin Signal Name 1 Ground 2 TXP 3 TXN 4 Ground 5 RXN 6 RXP 7 Ground Table 29. Processor Fan Connector Pin Signal Name 1 Ground 2 +12 V 3 FAN_TACH 4 FAN_CONTROL 2.8.2.1 Chassis Fan Connectors The D915GAV board has three standard and
  • Intel D915GAG | Product Specification - Page 72
    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 - a 2 x 2 connector. This connector provides power directly to the processor voltage regulator and must always be used. Failure to do so will prevent
  • Intel D915GAG | Product Specification - Page 73
    PCI Conventional bus connector 2. This enables PCI Conventional bus add-in boards with SMBus support to access sensor data on the boards. The specific SMBus signals are as follows: connector is configured to support only a PCI Express x1 link when the Intel GMA900 graphics controller is enabled. 73
  • Intel D915GAG | Product Specification - Page 74
    Intel Desktop Board D915GAV/D915GAG 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
  • Intel D915GAG | Product Specification - Page 75
    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: • A Serial ATA hard drive connected to
  • Intel D915GAG | Product Specification - Page 76
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 2.8.2.6 Front Panel USB Connectors Figure 22 is a connection diagram for the front panel USB connectors. # INTEGRATOR'S NOTES • The +5 V
  • Intel D915GAG | Product Specification - Page 77
    the three modes: normal, configure, and recovery. When the jumper is set to configure mode and the computer is powered-up, the BIOS compares the processor version and the microcode version in the BIOS and reports if the two match. 1 3 J8J4 Figure 24. Location of the Jumper Block OM16672 Table
  • Intel D915GAG | Product Specification - Page 78
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 2.10 Mechanical Considerations 2.10.1 D915GAV Board Form Factor The D915GAV board is designed to fit into an ATX-
  • Intel D915GAG | Product Specification - Page 79
    Technical Reference 2.10.2 D915GAG Board Form Factor The D915GAG board is designed to fit into either a microATX or an ATX-form-factor chassis. Figure 26 illustrates the mechanical form factor of the board. Dimensions are given in inches [millimeters]. The outer dimensions are 9.60 inches by 9.60
  • Intel D915GAG | Product Specification - Page 80
    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. 1.55 REF [0.061] 162.3 REF [6.390] 20. ± 0.254 TYP [0.787 ± 0.10] 159.2 ± 0.12 [6.268 ± 0.005] 1.6 ± 0.12 [0.063 ± 0.005] 22.45 [0.884] 7.012
  • Intel D915GAG | Product Specification - Page 81
    on the board that is similar to a heavy gaming environment with a 500 mA current draw per USB port. These calculations are not based on specific processor values or memory configurations but are based on the minimum and maximum current draw possible from the board's power delivery subsystems to the
  • Intel D915GAG | Product Specification - Page 82
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 2.11.3 Fan Connector Current Capability CAUTION The processor fan must be connected to the processor fan connector, not to a chassis fan connector. Connecting the processor on the wake devices supported and manufacturing options.
  • Intel D915GAG | Product Specification - Page 83
    to maintain required airflow across the processor voltage regulator area. OM16996 Figure 28. Processor Heatsink for Omni-directional Airflow CAUTION remains solely with the reader. Intel makes no warranties or representations that merely following the instructions presented in this document will
  • Intel D915GAG | Product Specification - Page 84
    reach a temperature of up to 85 oC in an open chassis. Figure 29 shows the locations of the localized high temperature zones. A B D C Item A B C D Description Processor voltage regulator area Processor Intel 82915G GMCH Intel 82801FB ICH6 Figure 29. Localized High Temperature Zones OM16673 84
  • Intel D915GAG | Product Specification - Page 85
    to cool the board. Table 41. Thermal Considerations for Components Component Intel Pentium 4 processor Intel 82915G GMCH Intel 82801FB ICH6 Maximum Case Temperature For processor case temperature, see processor datasheets and processor specification updates 99 oC (under bias) 110 oC (under bias
  • Intel D915GAG | Product Specification - Page 86
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 2.14 Environmental Table 42 lists the environmental specifications for the board. Table 42. Environmental Specifications Parameter Temperature Non-
  • Intel D915GAG | Product Specification - Page 87
    Technical Reference 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 43 lists the safety regulations the Desktop Boards D915GAV and D915GAG comply
  • Intel D915GAG | Product Specification - Page 88
    energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is 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
  • Intel D915GAG | Product Specification - Page 89
    following materials that may be regulated upon disposal: lead solder on the printed wiring board assembly. 2.15.4.2 Recycling Considerations Intel encourages its customers to recycle its products and their components (e.g., batteries, circuit boards, plastic enclosures, etc.) whenever possible. In
  • Intel D915GAG | Product Specification - Page 90
    component side). The CE mark should also be on the shipping container. Australian Communications Authority (ACA) C-Tick mark. Includes adjacent Intel supplier code number, N-232. The C-tick mark should also be on the shipping container. Printed wiring board manufacturer's recognition mark: consists
  • Intel D915GAG | Product Specification - Page 91
    Flash Memory Organization 92 3.3 Resource Configuration 92 3.4 System Management BIOS (SMBIOS 93 3.5 Legacy USB Support...93 3.6 BIOS Updates ...94 3.7 Boot Options ...95 3.8 Fast Booting Systems with Intel® Rapid BIOS Boot 96 3.9 BIOS Security Features 97 3.1 Introduction The boards use an
  • Intel D915GAG | Product Specification - Page 92
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification Table 46 lists the BIOS Setup program menu features. Table 46. BIOS Setup Program Menu Bar Maintenance Main Advanced Security Clears passwords and displays processor information Displays processor and memory configuration
  • Intel D915GAG | Product Specification - Page 93
    specifying manual configuration , and processor speed support, an SMBIOS service-level application running on a non-Plug and Play operating system can obtain the SMBIOS information. 3.5 Legacy USB Support Legacy USB support enables USB devices to be used even when the operating system's USB drivers
  • Intel D915GAG | Product Specification - Page 94
    Web. • Intel® Flash Memory Update Utility, which requires creation of a boot diskette and manual rebooting of instructions distributed with the upgrade utility before attempting a BIOS update. For information about The Intel World Wide Web site Refer to Section 1.4, page 19 3.6.1 Language Support
  • Intel D915GAG | Product Specification - Page 95
    boot device, the hard drive second, and the ATAPI CD-ROM third. The fourth device is disabled. 3.7.1 CD-ROM Boot Booting from CD-ROM is supported in compliance to the El Torito bootable CD-ROM format specification. Under the Boot menu in the BIOS Setup program, ATAPI CD-ROM is listed
  • Intel D915GAG | Product Specification - Page 96
    BIOS more quickly, which enables the system to boot more quickly. 3.8.2 Intel Rapid BIOS Boot Use of the following BIOS Setup program settings reduces the the boot process to the point where the system boots so quickly that the Intel logo screen (or a custom logo splash screen) will not be seen.
  • Intel D915GAG | Product Specification - Page 97
    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
  • Intel D915GAG | Product Specification - Page 98
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification 98
  • Intel D915GAG | Product Specification - Page 99
    4 Error Messages and Beep Codes What This Chapter Contains 4.1 BIOS Error Messages 99 4.2 Port 80h POST Codes 101 4.3 Bus Initialization Checkpoints 105 4.4 Speaker...106 4.5 BIOS Beep Codes...106 4.1 BIOS Error Messages Table 50 lists the error messages and provides a brief description of each
  • Intel D915GAG | Product Specification - Page 100
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification Table 50. BIOS Error Increased Memory size has increased since the last boot. If no memory was added there may be a problem with the system. Memory Size Changed Memory size has changed since the last boot. If no memory was
  • Intel D915GAG | Product Specification - Page 101
    recovery code in F000 Shadow RAM. Initialize interrupt vector tables, initialize system timer, initialize DMA controller and interrupt controller. Initialize extra (Intel Recovery) Module. Initialize floppy drive. Try to boot from floppy. If reading of boot sector is successful, give control to boot
  • Intel D915GAG | Product Specification - Page 102
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification Table 53. Runtime Code Uncompressed in F000 Shadow RAM Code 03 05 06 07 08 0B 0C 0E
  • Intel D915GAG | Product Specification - Page 103
    Error Messages and Beep Codes Table 53. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code 40 42 43 44 45 46 47 48 49 4B 4C 4D 4E 4F 50 51 52 53 54 57 58 59 60 62 65 66 7F 80 81 82 83 Description of POST Operation To prepare the descriptor tables. To enter in virtual mode for memory
  • Intel D915GAG | Product Specification - Page 104
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification Table 53. Runtime Code Uncompressed in F000 the system configuration. Put INT13 module runtime image to shadow. Generate MP for multiprocessor support (if present). Put CGA INT10 module (if present) in Shadow. continued 104
  • Intel D915GAG | Product Specification - Page 105
    Error Messages and Beep Codes Table 53. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code AE B1 00 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
  • Intel D915GAG | Product Specification - Page 106
    Intel Desktop Board D915GAV/D915GAG Technical Product Specification Table 56 BIOS Beep Codes Whenever a recoverable error occurs during POST, the BIOS displays an error message describing the problem (see Table 57). The BIOS also issues a beep code (one long tone followed by two short tones
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December 2004
Order Number:
C68600-002
The Intel
®
Desktop Board D915GAV/D915GAG 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 D915GAV/D915GAG Specification Update.
Intel
®
Desktop Boards
D915GAV/D915GAG
Technical Product Specification