BIOS archive for the Intel version of the Acer Aspire E1-432, built on a Wistron board identified as EA40-HW MB with number 12243-3. The RAR measures 3.06 MB and should contain an SPI image for direct flashing. Wistron marks its motherboards with a five-digit project number plus a revision suffix, which must match the silkscreen before you rely on this file. Technicians use it to recover a bricked board or replace a corrupted image. Dump and store the original chip contents first, and confirm the flash capacity fits the file.
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 @Laptopdesktopbios. 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 →