Firmware dump for the Toshiba Satellite L850D on a Pegatron-made board labelled PLACCSAC DSC, revision 2.1. DSC usually refers to the discrete graphics variant of the board, so check that your unit really carries a dedicated GPU before using it. The 1.37 MB 7z archive opens in 7-Zip. Technicians typically write this kind of image to the SPI flash with a CH341A or similar programmer to revive a dead or corrupted board. Dump and keep the original chip first, and confirm the board revision printed on the PCB.
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 @biosfiles. Enginerys does not host this file.
How to open a .7z file
High-ratio compressed archive, often used for large BIOS collections.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →