Apple MacBook A1347 820-2577 BIOS (4 MB)
File details
| Type | BIOS |
|---|---|
| Brand | Apple |
| Model | MacBook A1347 |
| Board number | 820-2577 |
| Board maker (ODM) | Apple |
| Device | Laptop |
| Format | ZIP |
| Size | 2.7 MB |
| BIOS chip size | 4 MB |
| Added | January 4, 2022 |
| Updated | |
| Original file name | Apple_MacBook_A1347_820-2577-A_4MB BIOS.zip |
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 A1347, board number 820-2577, supplied as a ZIP archive of about 2.7 MB with the file name Apple_MacBook_A1347_820-2577-A_4MB BIOS. The name points to a 4 MB flash chip. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after a corrupted firmware image or a failed update. Before writing anything, confirm that the board number and revision match your logic board, and read and save the original chip contents as a backup.
For board 820-2577 the catalog also has 2 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 MacBook A1347 820-2577. 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.