NM-B451…This content is for daily, weekly, monthly, quarterly, biannually, and annually members only.Login Join Now Post navigationLENOVO IDEAPAD Z50-75 ACLU7 , ACLU8 NM-A291 REV: 1.0 A15YA MAIN BOARD REV: 2.1 DNS A17FD 0154217 PEGATRON A15YA REV:2.1 BIOS TESTED OK