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9
1 Desktop Board Features
This chapter briefly describes the main features of Intel
®
Desktop Board D975XBX2.
Table 1 summarizes the major features of the desktop b
oard.
Table 1. Feature Summary
Form Factor
ATX (304.80 millimeters [12.00 inches] x 243.84 millimeters
[9.60 inches])
Processor
Support for an Intel
®
processor in the LGA775 package with 1066/800 MHz
front side bus
Main Memory
• Four 240-pin SDRAM Dual Inline Memory Module (DIMM) sockets
• 800/667/533 MHz dual channel DDR2 SDRAM interface
• Support for ECC and non-ECC memory
• Designed to support up to 8 GB of system memory
Chipset
Intel
®
975X Express Chipset consisting of:
• Intel
®
82975X Memory Controller Hub (MCH) with Direct Media Interface
• Intel
®
82801GH I/O Controller Hub (ICH7DH) supporting Intel
®
Matrix
Storage Technology
Graphics
Support for Multiple PCI Express* Graphics cards
Audio
Up to 8-channel onboard subsystem, featuring:
• Intel
®
High Definition Audio interface
• SigmaTel* STAC9274D audio codec
Expansion
Capabilities
• Two PCI bus add-in card connectors
• One PCI Express x16 connector (electrical x16 or x8)
• One PCI Express x16 connector (electrical x8)
• One PCI Express x16 connector (electrical x4)
LAN Support
Intel
®
82573L Gigabit Ethernet LAN controller with RJ-45 connector
BIOS
• Intel
®
Platform Innovation Framework for Extensible Firmware Interface
• 8 Mbit Serial Peripheral Interface (SPI) device
• Support for SMBIOS
• Intel
®
Rapid BIOS Boot
• Intel
®
Express BIOS Update
RAID
• Intel
®
Matrix Storage Technology for Serial ATA
• Marvell 88SE61XX* for Serial ATA
continued