Apple iMac A1418 820-00430 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Apple |
| Model | iMac A1418 |
| Board number | 820-00430 |
| Board maker (ODM) | Apple |
| Device | Laptop |
| Format | RAR |
| Size | 3.8 MB |
| Added | November 12, 2022 |
| Updated | |
| Original file name | IMac A1418 (EMC2889) 820-00430-A BIOS.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
IMac A1418 (EMC2889) 820-00430-A BIOS BIOS dump for the Apple iMac A1418 (EMC2889), board number 820-00430-A, supplied as a 3.8 MB RAR archive. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after BIOS corruption or a failed update. The facts list the device as a laptop, which does not fit the iMac A1418 name, so check the board number and revision printed on your own board before flashing. Back up the original chip contents first, since a mismatched image can leave the machine unable to start.
For board 820-00430 the catalog also has 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 iMac A1418 820-00430. 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.