BIOS dump of 2 MB for the Compal LA-4981P laptop motherboard, with U46 likely referring to the board location of the flash chip it was read from. The laptop brand and model are not given. Compal LA-series numbers identify the ODM board, used across several notebook brands. Write it with an SPI programmer after checking the board number on the PCB, saving the original chip contents and confirming the target chip is 2 MB, so the image fits.
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 @laptopschematics. 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 →