…This content is for SUPER PRO +, SUPER PRO , STANDARD, BASIC, and DAILY members only.Login Join Now Post navigationACER V5-531-4439 PETRA UMA MB 11324-1 48.4VM02.011 WORKING BIOS ACER V5-531-4439 PETRA UMA MB 11324-1 48.4VM02.011 WORKING BIOS