Apple A1419 820-00292 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Apple |
| Model | A1419 |
| Board number | 820-00292 |
| Board maker (ODM) | Apple |
| Device | Laptop |
| Format | RAR |
| Size | 4.2 MB |
| BIOS chip size | 8 MB |
| Added | August 22, 2023 |
| Updated | |
| Original file name | A1419 820-00292-A _W25Q64 MK472CH-A820-00292-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
A1419 820-00292-A _W25Q64 MK472CH-A820-00292-A BIOS dump for the Apple A1419 laptop, board number 820-00292-A, supplied as a 4.2 MB RAR archive and listed for an 8 MB flash chip. The original file name also references a W25Q64 chip, so check the chip marking on your board before writing anything. Technicians use a dump like this to reprogram the SPI flash with a programmer after BIOS corruption or a failed update. Confirm the board number and revision match your board, and back up the original chip contents first.
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 A1419 820-00292. 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.