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Six 975X Enthusiast Motherboards for Today and Tomorrow

Intel D975XBX

The 975X motherboard flagship by Intel is called the D975XBX.

Intel D975XBX (Rev. AA)
PlatformSockel LGA775
NorthbridgeIntel 975X (Rev. 00)
SouthbridgeIntel ICH7R (82801 GB)
Phasen5-Phasen Regulator
BIOSBX97510J.86A.0807.2006.0314.1158
Clock ChipICS 954519BGLF
Clock Setting in BIOSMeasurement
266.6 MHz (FSB1066)266.7 MHz (0.00%)
SPD Memory Timing RecognitionTiming Result
DDR2-667CL 4.0-4-4-8
Interfaces
Connectorsonboard / IO - panel
USB 2.04 / 4
IEEE1394/Firewire1 / 2
Serial COM Portnone / 1
Parallel LPT Portnone / 1
Gamenone
LANnone / 1
WLANnone
SATA8 / none
Audio analogLineIn CD / 7.1 Cannels
Audio digitalnone / chinch and optical Out
Connectorsonboard only
PCIe 16x2
PCIe 4x0
PCIe 1x2
PCI2
IDE (PATA)2 (4 channels)
Fan 4 pins (CPU)1
Fan 3 pins (System)2
Mass Storage Controller
ICH71x IDE (ATA100)4x SATA (RAID 0,1,5,10)
Silicon Image Si3114CTU4x SATA (RAID 0,1,0+1,5)
LAN
Intel PC82573L PCIe1x 1 Gbit/s LAN
Audio
Sigmatel STAC9221D5AC97 (High Definition Audio)
IEEE1394/Firewire
Texas Instrument TSB43AB232x 1394a (400 Mbit/s)