Firmware archive for a K56CM main board revision 2.0, a 3.46 MB RAR without a brand stated in the name. K56CM is an ASUS model designation, though no chip details are given here, so check the archive contents and the markings on the board before use. It is likely intended for reprogramming the SPI BIOS chip when a laptop stops posting or shows corrupted settings. Confirm the PCB revision matches 2.0, verify the dump size equals the flash chip capacity, and read and store the original chip contents before writing.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @biosarchive. Enginerys does not host this file.
All sources (9)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 15 Dec 2018 | Open file on RM Schematics |
| @biosarchive | 7 Sept 2019 | Open file on RM Schematics |
| @IT_SERVICE_WORLD | 28 Oct 2019 | Open file on RM Schematics |
| @laptexlaptopbios | 13 Jul 2020 | Open file on RM Schematics |
| @one5technology | 21 Nov 2020 | Open file on RM Schematics |
| @pepeelectronica | 26 Apr 2022 | Open file on RM Schematics |
| @skclappybios | 10 Apr 2024 | Open file on RM Schematics |
| @schematics_bios | 25 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 2 Aug 2026 | Open file on RM Schematics |
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →