Quote Originally Posted by Baam View Post
Tried it with 4 cores but was to unstable..So i just turned off the 4th core. I am happy with 3 cores at 4Ghz.
Try BIOS 1.20...

Its based on BIOS 1.00, not on 1.19,
you could have unlock X4 stable.

With BIOS 1.00 non of my 555 and 550 could stable unlock,
first stable unlock was with 1.19 and 1.20.

Bios Database:
http://www.pctreiber.net/forum/index...c,13303.0.html