BIOS dump for a Positivo machine on board piq67cg, with ch noted in the title and a 4MB image size, packed into a 519 KB RAR. The board code points to an Intel Q67-family desktop design, but confirm the exact PCB marking before flashing. Technicians use such a dump to revive a board after failed updates or corrupted flash. Read and keep the original chip first, then verify the extracted image is 4 MB so it fits the SPI chip used on this board.
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 →