Small 128 KB binary for the Acer Aspire 4749Z, labelled with the configuration string B952G50Mikk and a U11 ok note, which suggests a tested dump read from chip location U11. At this size the image is most likely embedded controller firmware rather than the main BIOS, as EC chips commonly hold 128 KB. Technicians flash it to fix no-power, charging or keyboard faults caused by corrupted EC code. Verify the chip label and the motherboard number first, and back up the original before programming.
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 →