Firmware dump for the Lenovo IS7XM mainboard, revision 1.0, in a 4.66 MB RAR archive. Since other IS7XM images of different sizes exist, open the archive and compare the file size with your installed flash chip before choosing one. The board is a Lenovo desktop design, and such images are programmed directly to the SPI BIOS chip using an external programmer when the system fails to POST. Verify the PCB revision label, back up the existing chip contents, and check the written data after flashing.
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 @afsbiosfree. 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 →