BIOS 820-00928-A

BIOS.bin
5.1 MB · first posted in BIOS Archive
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What the file name tells us

BrandApple
Board820-00928
RevisionA
KindBIOS
Format.zip, .bin
Archive size5.1 MB
First posted2021-05-31
ChannelBIOS Archive

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

Same file in other posts

ChannelPostedSizeLink
BIOS Archive2021-05-315.1 MBOpen post
BIOS Archive2021-06-245.1 MBOpen post
BIOS Archive2021-08-235.1 MBOpen post
BIOS Archive2021-10-035.1 MBOpen post

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.

Tools to open these files

FormatWhat it isOpen with
.zipZIP archive7-Zip, WinRAR or the built-in Windows extractor
.binraw SPI flash imagea CH341A, XGecu T48 / TL866II Plus or RT809H programmer

Other files for 820-00928

FileSizeRevAddedSource
4.3 MB
A
Get on Telegram BIOS Archive
3.1 MB
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Get on Telegram Schematics & Boardviews Archive +1 more
820-00928 BRD
Boardview.brd.bdv
227 KB
—
Get on Telegram Schematics & Boardviews Archive +1 more
3.2 MB
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Get on Telegram Schematics & Boardviews Archive +1 more
820-00928 brd PDF
SchematicBoardview.brd.pdf
227 KB
—
Get on Telegram Schematics & Boardviews Archive +1 more
3.2 MB
—
Get on Telegram Schematics & Boardviews Archive +1 more
261 KB
A
Get on Telegram Schematics & Boardviews Archive +1 more
227 KB
—
Get on Telegram Schematics & Boardviews Archive +1 more
820-00928 PDF
Schematic.pdf
3.2 MB
—
Get on Telegram Schematics & Boardviews Archive +1 more