BIOS firmware for a board identified as CSL50 / CSL52 with Compal number LA-E801P, provided as a 5.29 MB rar archive. No brand or laptop model appears in the name, so match the board by its LA number on the PCB. Compal uses the LA-xxxxP pattern for the mainboards it manufactures for various brands. Such dumps are programmed onto the SPI flash with an external programmer to recover a non-booting machine. Save the original chip contents before writing and check that the dump size equals 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 | 13 Apr 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 →