Apple A1312 820-2828 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Apple |
| Model | A1312 |
| Board number | 820-2828 |
| Board maker (ODM) | Apple |
| Device | Laptop |
| Format | RAR |
| Size | 6.7 MB |
| Added | March 14, 2021 |
| Updated | |
| Original file name | A1312 820-2828-A bios.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 A1312 laptop, board number 820-2828, supplied as the file A1312 820-2828-A bios.rar (about 6.7 MB). Technicians use a dump like this to reprogram the SPI flash chip with a programmer after BIOS corruption or a failed update. Before writing anything, confirm that the board number and revision on your own logic board match the file, and read out and save the original chip contents as a backup. The facts available here do not list chip size, revision or extra marks, so check those details against the board itself.
For board 820-2828 the catalog also has 1 schematic, 1 boardview file, and 3 BIOS dumps.
Description generated from the catalog data. ·
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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 A1312 820-2828. 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.