BIOS dump for the PLF PLR CSF CSR DSC motherboard, with revision 2.1 shown as REV 2 1 in the name. DSC marks the discrete-graphics build of this board family, which appears in several Acer laptop models. Inside the 2.66 MB archive should be an image for writing to the SPI flash with a programmer such as a CH341A or RT809. Before flashing, confirm the DSC marking and revision on your board, keep a copy of the original chip contents, and check the image size against the flash capacity.
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 @afsbiosfree. 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 →