Apple MacBook A1398 820-3332 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Apple |
| Model | MacBook A1398 |
| Board number | 820-3332 |
| Board maker (ODM) | Apple |
| Device | Laptop |
| Format | RAR |
| Size | 4.8 MB |
| Added | March 16, 2021 |
| Updated | |
| Original file name | MACBOOK A1398 EMC 2673 (820-3332-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 MacBook A1398 laptop, board number 820-3332, supplied as a RAR archive of about 4.8 MB under the original file name MACBOOK A1398 EMC 2673 (820-3332-A).rar. 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 on your motherboard matches 820-3332 and that the revision also matches, then back up the original chip contents so you can restore them if needed.
The catalog also lists 2 schematics, 2 boardview files, and 1 BIOS dump for board 820-3332.
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 A1398 820-3332. 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.