HP-255-OSAMU2-DIS_KB_HPC-1…This content is for 1-days, 7-days, 30-days, 90-day, 6 months, and 1year members only.Login Join Now Post navigationQAL80 LA-7781P REV 1.0 A00 U52 BIOS TESTED OK DELL STUDIO 1535 DAFM6BMB6D0 REV D BIOS TESTED OK