A 256-byte binary with the brief name i500, which does not state the panel or device clearly. Its size matches a common EDID dump with extension block, so it probably contains display identification data rather than system BIOS. Load it into an EDID decoder or hex editor to read the panel manufacturer and model code and confirm a match. Technicians write such data back to a panel EEPROM using an I2C programmer when the screen is not detected. Save the existing contents before overwriting them.
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 →