Quote Originally Posted by rioja View Post
what is 21x issue with xeon?
The multi gets stuck anywhere between 12-21x in Windows 7. DFI said it's a bios issue and if u wanted it to stay at 21 with High Performance you need to run Vista. Sometimes it would say 21x multi in Win7 but it would switch back in forth so fast from 20 to 21 it would show 21 but benchies would show it being stuck at 20.

Finally got 8hr Prime stable at 4ghz, took 1.264v though with a max temp of 89c