BIOS together with EC firmware for the HP 15-bs526ur notebook, matching the LA-E791P motherboard at revision 2.0. LA-xxxxP numbers belong to Compal, the ODM that built this board for HP. The 5.36 MB RAR lets a technician reflash both the main SPI BIOS and the embedded controller code when the laptop shows no power, no display or keyboard faults. A separate Rev 1.0 package exists, so read the revision printed on the PCB, and back up both chips before programming them.
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 | 22 Jul 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 →