Quote Originally Posted by Charloz24
The one in my sig opty 170 0550 UPMW is prime stable @ 1.375 in BIOS if this could help.

I really think that 170 0550 UPMW is better than 165 0550 UPMW (it was in my case)
wow..great chip..you lucky bast*rd

I am very jealous...my 170 0546 xpmw does "only" 2700