HP-255-OSAMU2-DIS_KB_HPC-1…Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here Post navigationQAL80 LA-7781P REV 1.0 A00 U52 BIOS TESTED OK DELL STUDIO 1535 DAFM6BMB6D0 REV D BIOS TESTED OK