BIOS package for the Acer Veriton S4630G desktop, with both 8MB and 4MB versions included, as the name indicates. Some boards split firmware across two SPI chips or use different flash capacities, so pick the image whose size matches the chip you are programming. The 4.90 MB RAR is for programmer-based recovery after a failed update or corruption. Read and save each original chip before writing, and confirm which flash parts your board carries by checking the chip markings.
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 →