ARCHER C50 V4 C20 V4.1…Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here Post navigationLENOVO THINKPAD L15 GL4A0 GL5A0 NM-C632 REV 1.0 BIOS TESTED WORKING OK LENOVO THINKPAD S2 DA0PS8MB8G0 REV G BIOS TESTED OK CLEAR ME