Firmware archive for boards coded PLABX and CSABX, covering both UMA, meaning integrated graphics, and DSC, discrete graphics, versions per the name. No brand is given; codes of this style are used on several Compal-made projects, but check against the board. The 1.78 MB RAR likely holds separate images for each graphics variant, so pick the one matching your PCB. Save the original flash contents before writing, and confirm the image size matches the chip capacity on the 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 →