Intel D975XBX2 - Desktop Board Motherboard driver and firmware
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Product Specification - Page 1
Intel® Desktop Board D975XBX2
Technical Product Specification
October 2006 Order Number: D73645-001US
The Intel® Desktop Board D975XBX2 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 D975XBX2 Specification Update.
Product Specification - Page 2
... Technical Product Specification
Date October 2006
This product specification applies to only the standard Intel® Desktop Board D975XBX2 with BIOS identifier BX97520J.86A.
Changes to this specification will be published in the Intel Desktop Board D975XBX2. Specification Update before being incorporated into a revision of this document.
INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION...
Product Specification - Page 5
... Block Diagram 16
1.2 Online Support 17 1.3 Processor 17 1.4 System Memory 18
1.4.1 Memory Configurations 20 1.5 Intel® 975X Chipset 24
1.5.1 USB 24 1.5.2 IDE Support 25 1.5.3 Real-Time Clock, CMOS SRAM, and Battery 26 1.6 Discrete Serial ATA Interface (Optional 27 1.6.1 Serial ATA Controller 27 1.6.2 External Serial ATA Support 27 1.7 PCI Express Connectors 28 1.8 IEEE-1394a...
Product Specification - Page 6
Intel Desktop Board D975XBX2 Technical Product Specification
1.13 Power Management 39 1.13.1 ACPI 39 1.13.2 Hardware Support 42
1.14 Onboard Power Button 46 1.15 Onboard LEDs 47 1.16 Trusted Platform Module (Optional 48
2 Technical Reference
2.1 Memory Resources 49 2.1.1 Addressable Memory 49 2.1.2 Memory Map 51
2.2 DMA Channels 51 2.3 Fixed I/O Map 52 2.4 PCI Configuration Space Map ...
Product Specification - Page 17
...... Intel Desktop Board D975XBX2 under "Desktop Board Products" or "Desktop Board Support" Available configurations for the Desktop Board D975XBX2 Processor data sheets ICH7-R/ICH7-DH 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...
Product Specification - Page 18
... video card before installing or upgrading memory to avoid interference with the memory retention mechanism.
• To be fully compliant with all applicable DDR SDRAM memory specifications, the board should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. This allows the BIOS to read the SPD data and program the chipset to accurately configure memory settings...
Product Specification - Page 20
Intel Desktop Board D975XBX2 Technical Product Specification
1.4.1 Memory Configurations
The Intel 82975X MCH 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. Technology and device width can vary ...
Product Specification - Page 24
...bus, the memory bus, the PCI Express bus, and the DMI interconnect. The ICH7 is a centralized controller for the board's I/O paths. The BIOS code is stored in the Serial Peripheral Interface (SPI) Flash device.
For information about The Intel 975X chipset Resources used by the chipset
Refer to http://developer.intel.com/ Chapter 2
1.5.1 USB
The board supports up to eight USB 2.0 ports, supports...
Product Specification - Page 25
... • One parallel ATA IDE connector that supports two devices • Four serial ATA IDE connectors that support one device per connector
1.5.2.1 Parallel ATE IDE Interface
The ICH7-R/ICH7-DH's Parallel ATA IDE controller has one bus-mastering Parallel ATA IDE interface. The Parallel ATA IDE interface supports the following modes: • Programmed I/O (PIO): processor controls data transfer...
Product Specification - Page 31
Product Description
1.10 Audio Subsystem
The board supports the Intel High Definition audio subsystem based on the SigmaTel 9274D or the SigmaTel 9227 audio codec. The audio subsystem supports the following features:
• Advanced jack sense for the back panel audio jacks that enables the audio codec to recognize the device that is connected to an audio port. The back panel audio jacks are ...
Product Specification - Page 35
... (ASF) Support
The board provides the following ASF support for PCI Express x1 bus add-in LAN cards and PCI Conventional bus add-in LAN cards: • Monitoring of system firmware progress events, including:
⎯ BIOS present ⎯ Primary processor initialization ⎯ Memory initialization ⎯ Video initialization ⎯ PCI resource configuration ⎯ Hard-disk initialization...
Product Specification - Page 36
...GUI ⎯ XML/SOAP API
• Remote troubleshooting and recovery that can significantly reduce desk-side visits and potentially increasing efficiency of IT technical staff: ⎯ System event log ⎯ IDE-R or PXE boot; Network drive or remote CD boot ⎯ Serial over LAN ⎯ OOB diagnostics ⎯ Remote control ⎯ Remote BIOS update
• Proactive alerting that decreases...
Product Specification - Page 37
... from Intel's World Wide Web site.
For information about Obtaining LAN software and drivers
Refer to Section 1.2, page 17
1.12 Hardware Management Subsystem
The hardware management features enable the board to be compatible with the Wired for Management (WfM) specification. The board has several hardware management features, including the following:
• Fan monitoring and control (through...
Product Specification - Page 39
.... The use of ACPI with this board requires an operating system that provides full ACPI support. ACPI features include: • Plug and Play (including bus and device enumeration) • Power management control of individual devices, add-in boards (some add-in
boards may require an ACPI-aware driver), video displays, and hard disk drives • Methods for achieving less than 15-watt system...
Product Specification - Page 42
... (Note)
Modem (back panel Serial Port A) PME# signal
S1, S3 S1, S3, S4, S5 (Note)
Power switch
S1, S3, S4, S5
PS/2 devices
S1, S3
RTC alarm
S1, S3, S4, S5
USB
S1, S3
WAKE#
S1, S3, S4, S5
Note: For LAN and PME# signal, S5 is disabled by default in the BIOS Setup program. Setting this option to Power On...
Product Specification - Page 78
Intel Desktop Board D975XBX2 Technical Product Specification
Table 35 provides maximum case temperatures for the components that are sensitive to thermal changes. The operating temperature, current load, or operating frequency could affect case temperatures. Maximum case temperatures are important when considering proper airflow to cool the board.
Table 35. Thermal Considerations for Components...
Product Specification - Page 83
... ATA-66/100 compatible cable • ATA-66/100 operating system device drivers
NOTE
Do not connect an ATA device as a slave on the same IDE cable as an ATAPI master device. For example, do not connect an ATA hard drive as a slave to an ATAPI CDROM drive.
3.3 System Management BIOS (SMBIOS)
SMBIOS is a Desktop Management Interface (DMI) compliant method for managing computers in a managed network...
Product Specification - Page 84
Intel Desktop Board D975XBX2 Technical Product Specification
3.5 Legacy USB Support
Legacy USB support enables USB devices to be used even when the operating system's USB drivers are not yet available. Legacy USB support is used to access the BIOS Setup program, and to install an operating system that supports USB.
Legacy USB support operates as follows: 1. When you apply power to the computer, ...
Product Specification - Page 90
Intel Desktop Board D975XBX2 Technical Product Specification
4.4 Port 80h POST Codes
During the POST, the BIOS generates diagnostic progress codes (POST-codes) to I/O port 80h. If the POST fails, execution stops and the last POST code generated is left at port 80h. This code is useful for determining the point where an error occurred.
Displaying the POST-codes requires a PCI bus add-in...
Product Specification - Page 93
... password Entering BIOS setup Calling Legacy Option ROMs
Runtime Phase/EFI OS Boot Entering Sleep state Exiting Sleep state EFI boot service ExitBootServices ( ) has been called EFI runtime service SetVirtualAddressMap ( ) has been called EFI runtime service ResetSystem ( ) has been called
PEIMs/Recovery Crisis Recovery has initiated per user request Crisis Recovery has initiated by software...