Apple A1416 820-4652 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Apple |
| Model | A1416 |
| Board number | 820-4652 |
| Board maker (ODM) | Apple |
| Device | Laptop |
| Format | ZIP |
| Size | 4.5 MB |
| Marks | clean ME |
| Added | July 5, 2021 |
| Updated | |
| Original file name | A1416 820-4652-A CLEAR ME REGION OK.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 A1416 laptop, board number 820-4652, with the Intel ME region cleaned. The archive is a ZIP of about 4.5 MB, and the original file name refers to board 820-4652-A. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Confirm that the board number and revision on your logic board match the file before flashing, and read out and save the original chip contents first so you can restore them if something goes wrong.
For board 820-4652 the catalog also has 3 schematics, 1 boardview file, and 1 BIOS dump.
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 A1416 820-4652. 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.