Apple MacBook 12 820-00045 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Apple |
| Model | MacBook 12 |
| Board number | 820-00045 |
| Board maker (ODM) | Apple |
| Device | Laptop |
| Format | RAR |
| Size | 4.1 MB |
| Marks | clean ME |
| Added | January 27, 2021 |
| Updated | |
| Original file name | A1534 EMC 3099 820-00045-A MacBook 12 2017 Clear me.rar |
Where to get the file
Opens the matching file on RM Schematics, or its source details if it is not catalogued there yet.
Alternative links
No other copies are known yet.
Description
BIOS dump for the Apple MacBook 12 laptop, board number 820-00045, with the Intel ME region cleaned. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Before flashing, confirm that the board number and revision on your logic board match the file, and save the original chip contents as a backup. The archive is about 4.1 MB and is named after the A1534 and EMC 3099 model identifiers, which may help when cross-checking the board.
The catalog also lists 2 schematics, 2 boardview files, and 1 BIOS dump for board 820-00045.
Description generated from the catalog data. ·
Related files
Browse more
Questions about this file
How do I flash this BIOS dump?
Write it to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and keep the original contents first, and check that the chip size matches the dump.
Will this BIOS work on my board?
Only if the board number and revision match: Apple MacBook 12 820-00045. Dumps from a different board or revision can leave the board dead.
What does “clean ME” mean?
The Intel ME region in the dump has been reset, so it can be used on another board of the same model. Keep your original dump and transfer serial numbers if needed.