Fixed BIOS dump for a laptop mainboard numbered 09185-1M, a Wistron-pattern board, with the identifier 48.3BS01.01M appearing in the name, which follows the Wistron PCB part code style. The FIXED tag indicates the image was corrected, typically to make it bootable on a programmer-flashed chip. Delivered as a 3.68 MB RAR. Verify the board number silkscreened on the PCB, dump the existing SPI chip as a backup, and check the image length against the flash capacity before writing it with your programmer software.
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.
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 →