…This content is for 1-days, 7-days, 30-days, 90-day, 6 months, and 1year members only.Login Join Now Post navigationIDEAPAD EG521 EG522 EZ511 EG721 NM-B452 REV 1.0 CLEAR ME WORKING BIOS 6050A2398701-MB-A02 WORKING BIOS