Firmware for the Acer Aspire 4755 notebook in a RAR archive of about 2 MB; the name gives only the model, with no board number, revision or chip details. Open the archive to see whether it contains a full SPI dump or a vendor update package before planning recovery. Such images are typically written to the BIOS flash with an external programmer when the system will not post. Identify the board number printed on the PCB to confirm compatibility, save the original chip contents, and make sure the image size matches the chip.
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 | 17 Apr 2018 | Open file on RM Schematics |
| @one5technology | 10 Nov 2020 | Open file on RM Schematics |
| @generalbios | 8 Oct 2023 | 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 →