Originally Posted by Valg 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?
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