BIOS firmware for the Acer Aspire ES1-512, with EA53_BM and EG52 platform codes in the name, packed as a 3.42 MB RAR. These codes identify the board family and help confirm compatibility with similar Acer models. The dump is meant for reflashing the SPI chip with an external programmer to revive a board that does not POST. Check the board markings against the codes, back up the original chip contents before writing, and verify that the image size matches the installed flash part.
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 | 6 Feb 2019 | Open file on RM Schematics |
| @IT_SERVICE_WORLD | 28 Oct 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 →