Motherboard Specifications
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Following are the specifications for the Intel® (Lavacot) 975X motherboard.

Feature Specification
BIOS ACPI 2.0, WFM 2.0, SMBIOS 2.3, USB FDD Boot Support
Chipset Intel® 975X chipset consisting of:
  • MCH northbridge: Intel D975X (GWD-DG)
  • ICH southbridge: 82801GH (ICH7-DH)
Processor Support Intel® Pentium® 4, Pentium D, Extreme® or Celeron® D processors
  • LGA775 socket
  • 1066 or 800 MHz system bus
Memory Support
  • Four DDR2 SDRAM Dual Inline Memory Module (DIMM) sockets
  • DDR2 667 or DDR2 533 MHz DIMMs
  • Expandable up to 8 GB total memory
    		•
    Video No integrated video. An add-in card must be installed.
    Audio Intel High Definition Audio subsystem consisting of:
    • 8-channel (7.1) audio subsystem with five analog audio outputs and one S/PDIF optical digital audio output using the Sigmatel® STAC9220 audio codec
    LAN Support Integrated Intel Tekoa (82573E) GbE with Active Management Technology (AMT)
    Add-in Card Slots
  • One ×16 PCI Express
  • One ×4 PCI Express (×16 connector to accomodate video cards)
  • Two PCI conventional
    		•
    Rear Panel Ports
  • PS/2 keyboard port
  • PS/2 mouse port
  • Four USB 2.0 ports
  • One IEEE-1394a connector
  • One serial port
  • One parallel port
  • One coaxial S/PDIF (RCA) line out jack
  • One RJ-45 LAN port
  • Five analog audio jacks
  • One S/PDIF optical digital audio jack
    		•
    Peripheral Interfaces
  • Two USB 2.0 headers (each header supports two connections for a total of four internal connections)
  • Two IEEE-1394a headers
  • Four Serial ATA interfaces (300 MB/s)
  • One Parallel ATA IDE interface with UDMA 33, ATA-66/100 support
  • One floppy disk drive interface
    		•
    Security Support
  • BIOS recovery
  • Trusted Platform Module (TPM)
  • Chassis intrusion
    		•