Apple A1370 820-2855 BIOS (8 MB)
File details
| Type | BIOS |
|---|---|
| Brand | Apple |
| Model | A1370 |
| Board number | 820-2855 |
| Board maker (ODM) | Apple |
| Device | Laptop |
| Format | ZIP |
| Size | 3.8 MB |
| BIOS chip size | 8 MB |
| Added | May 1, 2021 |
| Updated | |
| Original file name | A1370 820-2855-A MX25L6406D.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 A1370 laptop, board number 820-2855, supplied for an 8 MB flash chip. The original file name, A1370 820-2855-A MX25L6406D.zip, points to revision A and a MX25L6406D chip, which should be checked against the chip on your board. Technicians use a dump like this to reprogram the SPI flash with a programmer after a corrupted BIOS or failed update. Confirm the board number and revision match yours, and back up the original chip contents before writing anything.
The catalog also lists 2 schematics, 1 boardview file, and 1 BIOS dump for board 820-2855.
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 A1370 820-2855. 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.