Gateway BIOS archive with version 1.24 and an A_A suffix in the name, about 2.92 MB; no specific model or board number is given, so identification depends on the files inside. Gateway was part of Acer, and such packages may be updater tools or raw chip images. Check whether the contents are a flasher or a binary for an SPI programmer, confirm the model it targets matches your machine, and back up the current firmware before flashing any image to avoid bricking the board.
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 @biosbin. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →