BIOS archive labelled TSSLLB0 with an 8MB image, the size of a 64-megabit SPI flash chip. The name does not state a brand, model or revision, so the TSSLLB0 code is the only identifier and should be matched against your board before use. Extract the RAR and check the dump size against the chip on the board, since an image that does not match will not program correctly. Back up the original chip with a programmer before flashing, so you can restore it if needed.
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 .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →