Intel D925XBC Computer Hardware User Manual


 
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
11