Four 975X Motherboards For Core 2 Duo

Intel D975XBX: Sophisticated And Quiet

Feature Overview

Intel respects users with legacy devices by providing both serial and parallel ports. The board uses the ICH7R and thus offers four Serial ATA/300 ports, but also has a Silicon Image controller that provides four more serial storage ports.

The PCI Express slot configuration is rather special: there are three x16 slots that can all accommodate PCI Express graphics cards, but their performance varies. If you install a single graphics card into the first slot, it will be powered by 16 lanes; if a second graphics adapter is installed, both slots will run in x8 mode. The third slot is always powered by four PCI Express lanes and is quick enough to run a third graphics card (so you can install up to six displays) or a storage adapter.

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Intel D975XBX (Rev. 304)
NorthbridgeIntel 975X (Rev. C0)
SouthbridgeIntel ICH7R (82801 GB)
Voltage Regulator5 Phases
BIOS0714.1343 (07/14/2006)
Clock GeneratorICS954108CFLF
266.6 MHz (FSB1066)266.7 MHz (+0.01%)
Connectors and Interfaces
onboard1x PCIe x16 (x16)1x PCIe x16 (x8)1x PCIe x16 (x4)2x PCI8x SATA1x IDE4x USB 2.01x Firewire1x Audio for Front Panel2x Fan 4 pins (CPU)2x Fan 3 pins (System)1x Speaker
IO panel2x PS2 (keyboard + mouse)1x LPT1x COM1x Network4x USB 2.01x Firewire1x SPDIF out1x optical Out1x 7.1 Channel Audio
Mass Storage Controllers
ICH71x IDE (ATA100/66/33)4x SATA (RAID 0,1,5,10)
Silicon Image Sil3114CTU4x SATA (RAID 0,1,5,10)
Intel 82573L1x 1 Gbit/s LAN
Sigmatel STAC922105High Definition Audio
Texas Instruments TI 43AB232x 1394a (400 Mbit/s)