Macbook Pro A1707 EMC3162 820 00928 04 ve 820 00928 A Clear ME

BIOSClean ME
4.2 MB · first posted in BIOS Files
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What the file name tells us

BrandApple
ModelApple A1707
Board820-00928
KindBIOS, ME region
Format.7z
Archive size4.2 MB
First posted2020-08-29
ChannelBIOS Files
NotesME region cleaned

Parsed automatically from the file name and caption. Always compare the board number with the one printed on your board.

What this kind of file is for

A BIOS dump is a full image of the board's SPI flash chip. It is written back with an SPI programmer when the original firmware is corrupted, after a chip replacement, or to recover from a failed update. Read and save the original chip first: serial number, DMI data and the Intel ME / AMD PSP state differ between boards.

A 'clean ME' image has the Intel Management Engine region reset, so the dump can be moved to another board of the same model; the board's own serial and DMI data still need to be restored.

Tools to open these files

FormatWhat it isOpen with
.7z7-Zip archive7-Zip or WinRAR
.binBIOS image inside the archive (usually .bin)a CH341A, XGecu T48 / TL866II Plus or RT809H programmer

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