…This content is for 1-days, 7-days, 30-days, 90-day, 6 months, and 1year members only.Login Join Now Post navigationLENOVO THINKPAD E550 AITE1 NM-A221 REV 1.0 TESTED OK MAIN + EC IT8586E HP ELITEBOOK X360 7TH GEN 6050A2848001-MB-A01 BIOS TESTED OK 16MB 8MB