Quote Originally Posted by AndreYang
1. sure, support XP.
2 and 3. I have 0004 beta Bios for X6800 opne multi and I always DOS afudos to update Bios.
4. The same chip for sure, but some server mobos have PCI-X because it needs PCI-X raid card or net work card. If you don't need PCI-X, you would be chosen P5W DH.
Maybe not - You forgot to mention the higher MCH voltage on the P5WDG2-WS Pro ........., so it should be the better clocker.