TECRA-A11-S11-M11

BIOS .rar 1.55 MB Shared

BIOS archive for the Toshiba Tecra A11, S11 and M11 series, which share a common platform, delivered as a 1.55 MB RAR. No board number or chip type is given in the name, so inspect the archive and match it against the PCB marking. A file like this is normally written to the BIOS SPI chip with an external programmer to recover a laptop left dead by a failed update. Read and keep the original chip contents, check which of the three models you have, and make sure the image length matches the flash chip.

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.

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 →