Firmware dump for the Lenovo Miix 520-12IKB detachable, with the machine type and model code 20M3000TRK included in the name. The RAR archive is 4.92 MB. The MTM code identifies the exact factory configuration, which helps select a matching image. A dump like this is written to the SPI BIOS chip with a programmer when the tablet will not power on or boot. Back up the original chip first, since it holds system-specific data, and confirm the image size matches the flash capacity.
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 →