We need apply that to running system using special EFIShell
We based on that my PFRR is VarStore: PchSetup, VarOffset: 0x73F, Size 0x1īIOS Lock | VarStore: PchSetup, VarOffset: 0x1D, Size: 0x1Īfter you get you bios value offset of bios lock & fprr with IFR Extractor
Work with BIOS LOCK & Flash Protection Range Registers (FPRR). We dont using AfuWin because it cannot flash not signed bios, or AFU support /GAN command not work it Aptio V =Follow guide bellow at your own risk, i did not responsible damage you do to your motherboard, so read all instruction correctlyįor this guide i am using Asus H610M-A D4 & MSI Z690 for referenceĭownload version same as your Management Engine version you can see in bios setup, for alder lake is using v16, and Me have variant like H,A,etc for consumer,corporate using Me analyzer with that site So found new remake bios config editor by boringboredom, its online tools based javascript, it so powerfull can read all string correctly where Currently AMIBCP cannot read, And more its OpenSource tools work together with UEFI ToolsĪt right now this app still some problem cannot load if bios modification with break structure with hex, so use original bios from vendor Some community patching that app to increase max string it fix problem cannot open some bios like from asus because string limit, but is not lifted all problem, some bios config menu string still showing blank string 
We found latest outdate leaked version release in 2017 year, get problem in max string & supported read config for newer bios like alderlake. We know AMI bios released amibcp (AMI BIOS CONFIGURATION PROGRAM) not directrly for public, but only to motherboard vendor partnership with AMI (This guide specially for beginner to medium which hard to understand with hex editor method)
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