BIOS image for Wistron motherboard 15256-1, described in the name as fully working, delivered as a 7.04 MB RAR archive. No laptop model or extra part number is given, so identify the board by the code printed on the PCB before use. Wistron designs notebooks for several brands under this five-digit numbering style. Typical use is recovering a dead or bricked board by writing the dump to the SPI chip with a programmer such as a CH341A; always read and store the original firmware first.
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 (4)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 30 Nov 2023 | Open file on RM Schematics |
| @generalbios | 16 Dec 2023 | Open file on RM Schematics |
| @generalbios | 17 Dec 2023 | Open file on RM Schematics |
| @generalbios | 14 Jul 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 →