BIOS dump for the Redwood B-MLK board, number 14274-1 with code 475W5, in a 3.84 MB RAR archive. The 14274-1 pattern matches Wistron board numbering. Wistron builds boards for Dell and other laptop brands, and the code in brackets may be a vendor part number, though the name does not confirm the model. Technicians flash this image to the SPI chip with a programmer to recover a board that will not boot. Read and save the original chip first, and check the board number and flash size.
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 →