BIOS dump labelled LC56-14A for a board numbered 203021-1, compressed into a 5.58 MB RAR archive. The board code matches the Wistron numbering scheme; the name gives no laptop brand, version or chip details beyond that. A dump like this is normally written to the SPI flash chip with a programmer such as a CH341A when a board shows no image or a corrupted firmware. Read and save the original chip contents first, and check that the image size equals the flash capacity 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 (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 4 Jun 2023 | Open file on RM Schematics |
| @generalbios | 4 Nov 2024 | 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 →