Older 32 MB BIOS dump labelled 5420, most likely the original read before any repair, though neither the brand nor the board number is given in the name. It pairs naturally with a repaired version of the same image, making it useful for comparing regions in a hex editor or tool such as UEFITool. The size fits a 256 Mbit SPI chip. Keep it as a reference backup, and confirm the board identity before writing it to any machine.
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 @L9BCM2MdAgNjNDk1. 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 →