Apple A2289 820-01987 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Apple |
| Model | A2289 |
| Board number | 820-01987 |
| Board maker (ODM) | Apple |
| Device | Laptop |
| Format | RAR |
| Size | 0.2 MB |
| Added | November 26, 2022 |
| Updated | |
| Original file name | A2289 820-01987-06 U2890.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
A2289 820-01987-06 U2890 BIOS dump for the Apple A2289 laptop, board number 820-01987, supplied as the archive A2289 820-01987-06 U2890.rar. The facts do not list a chip size, revision beyond the file name, or whether the dump includes EC firmware or a cleaned ME region, so check those details against your own board before use. A BIOS dump is used to reprogram the SPI flash chip with a programmer after corruption or a failed update. Confirm that the board number and revision match your machine, and back up the original chip contents before writing anything.
The catalog also lists 4 schematics and 3 boardview files for board 820-01987.
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 A2289 820-01987. 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.