BIOS image for a Dynabook BJ65, Toshiba family, with FS and FLZ2SY1 4614A identifiers in its name and a 16MB flash capacity stated, compressed into an 18.8 MB ZIP. The extra codes look like model or board markers, so match them against the label and PCB of your unit. Such a dump is written to the SPI chip with a programmer when the original firmware is corrupted. Back up the existing chip contents first, and confirm the image is exactly 16 MB for 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 →