BIOS for Acer Aspire E1-531G and E1-571G laptops built on mainboard LA-7912P. LA-numbered boards are Compal designs, and both models share this board. The 2.88 MB RAR is used for recovering a dead or corrupted BIOS by programming the SPI chip with a hardware programmer. Check that the PCB marking reads LA-7912P and that your model matches one of the two listed, back up the original chip first, and confirm the image size corresponds to the installed flash.
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 (4)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 23 Jan 2019 | Open file on RM Schematics |
| @biosarchive | 13 Jul 2019 | Open file on RM Schematics |
| @IT_SERVICE_WORLD | 29 Oct 2019 | Open file on RM Schematics |
| @IT_SERVICE_WORLD | 29 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 →