Raw 8 MB BIOS image for the X55LD notebook mainboard, revision 2, an ASUS-style model name. The 8 MB size matches a 64 Mbit SPI flash chip, typical for boards of this era that also carry Intel ME data in the same image. Verify the board revision printed on the PCB, read and save the original chip with a programmer before writing, and keep in mind that serial and system data from the original dump may need to be restored after 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 @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 →