BIOS for the HP ProDesk 400 desktop with the H81 chipset, built on MSI board MS-7860, labelled H81-004. MSI manufactured this board for HP, and the MS-7860 code printed on the PCB identifies it. The same board number also exists with an H87 chipset, so match the chipset before flashing. The 4.19 MB ZIP is used to reprogram the SPI chip with a programmer. Back up the original contents first, since the dump may carry another unit's serial and MAC data.
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 →