NM-C921 BIOS
File details
| Type | BIOS |
|---|---|
| Board number | NM-C921 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 6 MB |
| Added | September 8, 2022 |
| Updated | |
| Original file name | GY552_553_557_558_GY559B_55C_55F_55G_GY752_753_NM_C921_REV_1_0_2020.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
GY552 553 557 558 GY559B 55C 55F 55G GY752 753 NM-C921 REV 1.0 2020-02-14 BIOS BIOS dump for the Compal NM-C921 laptop board, revision 1.0, packed as a RAR archive of about 6 MB. The original file name lists a range of related models (GY552, GY553, GY557, GY558, GY559B, GY55C, GY55F, GY55G, GY752, GY753), so the board number is the best match to check against your own hardware. Technicians use a BIOS dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update.
For board NM-C921 the catalog also has 3 schematics, 3 boardview files, 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: NM-C921. 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.