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) | |
|---|---|
| Northbridge | Intel 975X (Rev. C0) |
| Southbridge | Intel ICH7R (82801 GB) |
| Voltage Regulator | 5 Phases |
| BIOS | 0714.1343 (07/14/2006) |
| Clock Generator | ICS954108CFLF |
| 266.6 MHz (FSB1066) | 266.7 MHz (+0.01%) |
| Connectors and Interfaces | |
| onboard | 1x 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 panel | 2x PS2 (keyboard + mouse)1x LPT1x COM1x Network4x USB 2.01x Firewire1x SPDIF out1x optical Out1x 7.1 Channel Audio |
| Mass Storage Controllers | |
| ICH7 | 1x IDE (ATA100/66/33)4x SATA (RAID 0,1,5,10) |
| Silicon Image Sil3114CTU | 4x SATA (RAID 0,1,5,10) |
| Network | |
| Intel 82573L | 1x 1 Gbit/s LAN |
| Audio | |
| Sigmatel STAC922105 | High Definition Audio |
| Firewire | |
| Texas Instruments TI 43AB23 | 2x 1394a (400 Mbit/s) |
