Raw 2 MB BIOS image for the Acer Extensa 4630Z, spelled extansa in the name; no motherboard number or revision is stated, so the board should be identified from its PCB marking before use. A 2 MB image corresponds to a 16 Mbit SPI flash chip, and writing it to a smaller chip will fail. Technicians program such files with a CH341A or similar tool to recover a laptop that stays black or will not POST after a failed update. Always read and keep the original chip contents before erasing, then verify after writing.
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.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →