BIOS for the E330 laptop, LPR-1 mainboard with board number 11284-2 and part code 48.4UH01.021, in an 8MB image. Board number and part code follow the Wistron scheme. Write the dump to the SPI chip with a programmer to recover a board stuck after a corrupted update. Read and save the original contents first, since they include serial data, confirm the chip is 8MB and that the board number on the PCB matches.
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 →