Specifications
Intel (Big Lake) 945G Motherboard      Show Part Numbers

Following are the specifications for the Intel® (Big Lake) 945G motherboard.

Feature Description
Form Factor BTX (11.2 × 10.5 inches)
Chipset Intel 945G chipset with ICH7R
(RAID compatibility information)
Processor Support Intel Pentium® 4 processor
  • LGA775 socket
  • 1066, 800, or 533 MHz system bus
Firmware Hub 8 MB
Memory
  • Four 240-pin DDR2 SDRAM Dual Inline Memory Module (DIMM) sockets
  • DDR2 667 or DDR2 533 MHz DIMMs
  • Expandable up to 4 GB total memory
  • Video Intel GMA950 onboard graphics subsystem
    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 9223 audio codec
    Add-in Card Slots
  • One ×16 PCI Express
  • One ×1 PCI Express
  • Three PCI
  • Peripheral Interfaces
  • PS/2 keyboard port
  • PS/2 mouse port
  • Eight USB 2.0 ports (four on rear panel, four internal)
  • Three IEEE-1394a connectors (one on rear panel, two for front-panel connectors)
  • One serial port
  • One parallel port
  • Four Serial ATA interfaces
  • One Parallel ATA IDE interface with UDMA 33, ATA-66/100 support
  • One floppy disk drive interface
  • LAN Support Broadcom 5752 GbE PCIe controller with integrated Trusted Platform Module (TPM) 1.2
    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 connectors
  • Three fan sense inputs used to monitor fan activity
  • Fan speed control