Second copy of an Acer Aspire 4520 AMD CPU BIOS image, 1.00 MB in raw binary form; the numbered suffix suggests a duplicate or alternate dump of the same model. Compare it with the other copy using a hex editor or checksum to see whether the contents differ. It can be written to an 8 Mbit SPI chip with an external programmer to recover a corrupted BIOS. Check the motherboard identity on the PCB and back up the original chip before flashing.
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 .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 →