Quote Originally Posted by Valg View Post
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
wouldn't you suggest using latest BIOS 1.80 or 1.95beta?