6050A2822801-MB-A02…This content is for 30-days, 90-days, 180-days, and 365-day members only.Login Join Now Post navigationDELL STUDIO 1558 DAFM9BMB6DO REV.D BIOS XIAOMI 171501-AF R15-6050A2940901-MB-A01 BIOS IO TYPE npce285ua0dx