HP-255-OSAMU2-DIS_KB_HPC-1… This content is for daily, weekly, monthly, quarterly, biannually, and annually members only.Login Join Now Post navigation QAL80 LA-7781P REV 1.0 A00 U52 BIOS TESTED OK DELL STUDIO 1535 DAFM6BMB6D0 REV D BIOS TESTED OK