Firmware for the Fujitsu Esprimo P556 desktop, E85+ variant, carrying a date-like code 06-12-19-23 and labelled fix. The 5.14 MB ZIP does not explain what the fix addresses, so inspect the contents before use. Images of this kind are normally flashed to the motherboard SPI chip with an external programmer to revive a board that no longer boots. Save a full read of the existing chip first, and check the image size against the flash capacity so the write fits correctly.
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 →