Apple A1286 820-2850 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Apple |
| Model | A1286 |
| Board number | 820-2850 |
| Board maker (ODM) | Apple |
| Device | Laptop |
| Format | RAR |
| Size | 1.8 MB |
| Added | October 26, 2020 |
| Updated | |
| Original file name | A1286 K18 820-2850-A.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 A1286 laptop, board number 820-2850, supplied as a RAR archive named A1286 K18 820-2850-A.rar (about 1.8 MB). A dump like this is used to reprogram the SPI flash chip with a programmer after a corrupted firmware image or a failed update. Confirm that the board number on your logic board matches 820-2850 before flashing, and read and save the original chip contents first so you can restore them if something goes wrong.
For board 820-2850 the catalog also has 2 schematics, 2 boardview files, and 5 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 A1286 820-2850. 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.