…This content is for 1-days, 7-days, 30-days, 90-day, 6 months, and 1year members only.Login Join Now Post navigationALL IN ONE Q8S-B237 B636 B638 MS-AAA11 VER : 1.1 BIOS TESTED OK CLEAR ME LENOVO CS557 CS558 NM-C681 REV 1.0