BIOS for the HP Notebook 15 on the Compal board LA-C921P, ASL50 platform code, in a 5.05 MB RAR. Compal is the ODM behind the LA-xxxxP numbering, and the code is printed on the PCB for matching. Technicians flash this kind of image onto the SPI chip with a programmer when the laptop gives no display or fails to boot. Read and save the original chip first, and check that the image length matches the flash 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 (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 15 Jan 2019 | Open file on RM Schematics |
| @IT_SERVICE_WORLD | 28 Oct 2019 | 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 →