BIOS package for the Toshiba Tecra Z40-C laptop, configuration 12Z with part number PT465E, delivered as a 4.78 MB ZIP. Toshiba identifies models by series and a PT part code found on the label underneath the machine, which helps confirm the right variant. The image is meant for restoring a corrupted or locked BIOS by writing the SPI chip with an external programmer. The name does not give a board number, so compare the PCB marking and chip type, back up the original contents and confirm the size fits the 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 .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →