Firmware archive for the Acer Extensa 4630Z, with no motherboard number or variant mentioned in the name. The RAR is 818 KB, a size typical for the older BIOS chips of this model generation. Confirm the board identity from the PCB before programming. Technicians use such a dump to reflash a corrupted SPI chip and revive a laptop that will not start. Read and keep the original chip contents with a programmer first, and verify that the extracted image exactly matches the capacity of the flash device.
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 →