BIOS archive for the Acer Aspire ES1-511, specifically the ES1-511-C7QA configuration, which is linked to the Compal motherboard LA-B511P. Compal uses the LA-xxxxP numbering scheme, and the code is printed on the PCB. The RAR is about 2.79 MB and should be unpacked before loading the image into SPI programmer software. Technicians reflash the BIOS chip with such a dump when the laptop shows no image or stalls at power-on. Check that the LA number on the board matches, back up the original chip, and confirm the image size fits.
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 | 25 Aug 2018 | Open file on RM Schematics |
| @one5technology | 10 Nov 2020 | Open file on RM Schematics |
| @Laptopdesktopbios | 1 May 2026 | 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 →