BIOS firmware for the HP EliteDesk 800 G3 in the Small Form Factor chassis, tagged with the P01 BIOS family code. At 27.1 MB the RAR may contain more than a single raw flash image, so check its contents and image sizes after extracting. Technicians use such files to recover a desktop that will not post after a failed update, programming the SPI flash directly. Dump and keep the existing chip data first, since it may hold serial number and licensing information unique to that machine.
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.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →