Lenovo s400 la-8951p

BIOS .rar 7.36 MB Shared

Firmware package for the Lenovo IdeaPad S400 on Compal board LA-8951P, archived as a 7.36 MB RAR. The size suggests it may hold more than a single image, possibly BIOS and EC files, so inspect the contents before flashing. LA-numbered boards come from Compal, a major Lenovo ODM. Write the correct file to its chip with a programmer such as a CH341A, keep a backup of the original data, and verify that the board number on the PCB matches and the image length equals the chip 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 @biosarchive. Enginerys does not host this file.

All sources (3)

The same file was posted more than once. If one link is dead, try the next.

How to open a .rar file

Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.

7-ZipWinRARThe Unarchiver (macOS)

More about .rar files

Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →

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