Intel DESKTOP BOARD D925XCV - Manual (Page 11)

1 Product Description
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 ® 925X Chipset ...................................................................................................... 25
1.8 PCI Express Connectors.............................................................................................. 28
1.9 Auxiliary Power (AUX PWR) Output Connector ........................................................... 28
1.10 I/O Controller................................................................................................................ 29
1.11 Audio Subsystem ......................................................................................................... 31
1.12 LAN Subsystem ........................................................................................................... 35
1.13 Hardware Management Subsystem............................................................................. 37
1.14 Power Management ..................................................................................................... 40
1.1 PCI Bus Terminology Change
Previous generations of Intel ® 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.
1.2 Board Differences
This TPS describes these Intel Desktop Boards: D925XCV and D925XBC. The Desktop Boards
are identical with the exception of the items listed in Table 1.
Table 1. Summary of Board Differences
D925XCV
• ATX Form Factor (10.20 inches by 9.60 inches [259.08 millimeters by
243.84 millimeters])
• Four PCI Conventional bus add-in card connectors
• Two PCI Express x1 bus add-in card connectors
• Auxiliary rear fan connector
• Option for auxiliary power output connector
• Option for SCSI hard drive indicator LED
• Option for Trusted Platform Module (TPM)
D925XBC • microATX Form Factor (9.60 inches by 9.60 inches [243.84 millimeters by
243.84 millimeters])
• Two PCI Conventional bus add-in card connectors
• One PCI Express x1 bus add-in card connector
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