Firmware archive for the Lenovo ThinkCentre M920z All-in-One, machine type 10S7, referencing the IQ370SV board code, at 20.1 MB compressed. The name does not say whether the contents are a raw SPI dump or a vendor update package, so inspect the files after extraction. A raw image is written to the flash chip with an external programmer. Save the original chip contents first so serial, UUID and activation data are not lost, and confirm the image size matches the chip capacity before writing.
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 →