Intel S975XBX2 - Workstation Board Motherboard, Specification, Page: 13 / 102

Product Description
13
Table 1. Feature Summary (continued)
Expansion
Capabilities
• Two PCI* Conventional bus add-in card connectors (SMBus routed to both PCI
Conventional bus add-in card connectors)
• One Primary PCI Express x16 (electrical x16 or x8) bus add-in card connector
• One Secondary PCI Express x16 (electrical x8) bus add-in card connector
• One PCI Express x16 (electrical x4) bus add-in card connector
Hardware Monitor
Subsystem
• Hardware monitoring and fan control ASIC
• Voltage sense to detect out of range power supply voltages
• Thermal sense to detect out of range thermal values
• Three fan headers
• Three fan sense inputs used to monitor fan activity
• Fan speed control
• Support for Product Environmental Control Interface (PECI)
1.1.2 Manufacturing Options
Table 2 describes the manufacturing options. Not every manufacturing option is
available in all marketing channels. Please contact your Intel representative to
determine which manufacturing options are available to you.
Table 2. Manufacturing Options
AMT
BIOS support for Intel
®
Active Management Technology (Intel
®
AMT)
ATAPI CD-ROM
Connector
A 1 x 4-pin ATAPI-style connector for connecting an internal ATAPI CD-ROM drive to
the audio mixer
Audio Subsystem
• Intel High Definition Audio subsystem in 6-channel (5.1) audio subsystem with
three analog audio outputs using the Sigmatel 9227 audio codec
Auxiliary PCI
Express Graphics
Power Connector
Provides required additional power when using high power (75 W or greater) add-in
cards in either or both the Secondary PCI Express x16 (electrical x8) and the PCI
Express x16 (electrical x4) bus add-in card connectors
Discrete SATA
RAID Controller
• Marvell* 88SE6145 SATA RAID controller
• Four SATA connectors (in addition to the four SATA connectors on the ICH7-R
SATA interface)
IEEE-1394a
Interface
IEEE-1394a controller and two IEEE-1394a connectors: one back panel connector
and one front-panel header
MCH Fan Header
A 3-pin header for powering a fan for the Intel ®
82975X Memory Controller Hub
(MCH)
Processor Core
Power Connector
One of the following connectors for pro12 V power to the processor voltage
regulator:
• 2 x 4-pin (requires a power supply with a dual-rail 2 x 4 power cable). Boards
equipped with the 2 x 4-pin processor core power connector will also include
heatsinks in the processor voltage regulator area.
• 2 x 2-pin
SCSI Hard Drive
LED Header
Allows add-in hard drive controllers (SCSI or other) to use the same LED as the
onboard IDE controller
Trusted Platform
Module (TPM)
A component that enhances platform security