RAR archive with BIOS firmware for the Acer 5740, 1.67 MB compressed, and no board number, revision or version in the name. Extract it to see the images inside, which may include both BIOS and EC files. Check each file against the capacity of the chip it targets before programming. Technicians use such sets to reflash a dead or bricked laptop with an SPI programmer. Confirm the mainboard number printed on the PCB and save the original chip contents.
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 @ComputerBIOSBinFile. Enginerys does not host this file.
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 →