BIOS firmware for the ASUS A451L, which uses the S451 board at revision 2.0, marked OK in the name as a working image. The 3.22 MB RAR should contain a full SPI dump suitable for writing with an external programmer when firmware corruption leaves the laptop dead or looping. Confirm that the PCB carries the S451 rev 2.0 marking before flashing, compare the image size with the chip capacity, and back up the original contents so the serial number and any custom data can be restored.
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 (3)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 1 Mar 2018 | Open file on RM Schematics |
| @IT_SERVICE_WORLD | 30 Sept 2019 | Open file on RM Schematics |
| @one5technology | 10 Nov 2020 | 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 →