BIOS firmware for the Acer Aspire E5-551, model variant 89KG, with Z5WAK given as the Compal project code. The board was designed by Compal for Acer, and the 2.30 MB RAR carries the image for recovery. Technicians write such files to the SPI flash with a hardware programmer to restore a laptop that has no display or loops on power-up. Save a copy of the existing chip before programming, since it holds the unit's own serial and identity data, and confirm the image matches the 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 | 26 Jan 2019 | Open file on RM Schematics |
| @IT_SERVICE_WORLD | 29 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 →