BIOS for the Acer Veriton M6620G desktop, paired in the name with the Q77H2-AM motherboard used in that system, which carries the Intel Q77 chipset. The archive is 4.27 MB compressed. It serves to restore firmware on a unit that fails to boot, by external programming of the SPI flash. Confirm the board marking reads Q77H2-AM, back up the original contents, which may include ME and system data, and make sure the image size matches the chip.
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 →