Acer BIOS package for the Compal board LA-4921P, a 767 KB RAR archive. No laptop model or board revision appears in the name, so confirm the board number printed on the PCB before using it. The LA-xxxxP pattern is Compal numbering, the ODM that built many Acer notebooks. The image inside is normally written to the SPI BIOS chip with a programmer when the system is dead or stuck. Back up the original chip first and check that the dump size matches the flash chip 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 (3)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 14 Feb 2018 | Open file on RM Schematics |
| @abgm_manutencao_bios | 7 Aug 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 →