HP 15-bs038ur BIOS for Compal board LA-E811P revision 2.0, which the name ties to the CSL50/CSL52 platform codes. The 25LB64 token likely points to a 64 Mbit (8 MB) flash part, but read the marking on your own chip. Packed as a 3.66 MB RAR, it is used to reflash a corrupted or locked BIOS chip with an SPI programmer. Compal LA-numbered boards are shared across models, so match the board number and revision, back up the original dump, and verify the image size.
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 | 1 Dec 2018 | 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 →