BIOS package for the Chuwi CoreBook X, with the board identified as EM_CM131 version 1.0 in the name. The 6.24 MB rar archive should contain the flash image and perhaps notes, so extract and check its size against the SPI chip on your board before programming. Such files are used to recover a board that will not boot after a failed update or corrupted firmware. Read and keep a copy of the existing chip with a programmer such as a CH341A, then write and verify carefully.
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 @sbiosworldchannel. Enginerys does not host this file.
All sources (4)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @sbiosworldchannel | 14 Mar 2026 | Open file on RM Schematics |
| @skclappybios | 14 Mar 2026 | Open file on RM Schematics |
| @sboisworld | 14 Mar 2026 | Open file on RM Schematics |
| @dtechbios | 14 Mar 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 →