Working BIOS image for the XMA1901-YN platform, Wistron motherboard 19723-1, compressed as a ZIP of 4.90 MB. Wistron designs boards for several notebook brands and labels them in this five-digit style. Technicians write such a dump to the SPI flash chip with a CH341A or similar programmer to fix a boot loop, black screen or failed update. Before flashing, read and keep the original contents, verify the board number on the PCB matches 19723-1 and check that the image size equals the chip capacity.
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 | 25 Oct 2023 | Open file on RM Schematics |
| @generalbios | 26 Oct 2023 | Open file on RM Schematics |
| @generalbios | 28 Oct 2023 | Open file on RM Schematics |
| @generalbios | 3 Dec 2023 | Open file on RM Schematics |
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →