BIOS for the Lenovo ThinkCentre M72z all-in-one, motherboard PIH61F, project Topeka, with Wistron board number 10124-3, in a 2.75 MB RAR. The PIH61F name points to an Intel H61 chipset board. Wistron uses five-digit project numbers with a revision suffix on its PCBs. Desktop and AIO BIOS chips are usually SOIC-8 SPI flash, written with a clip or after desoldering. Make sure the image size matches the fitted chip, save the original first, and note that serial and model data may need restoring.
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 →