The dc5800 SFF BIOS is mature and final. Update to v02.07 is safe and verified if you follow the power stability rule. Do not attempt to flash any BIOS from the dc5800 Tower or other Compaq models – the SFF uses a different board layout (Codename: Moselle-GL6 or similar).
HP’s release notes for SP46935 (v01.28) and SP48963 (v01.29) list these verified changes: hp compaq dc5800 small form factor bios update verified
I recently had the need to update the BIOS on my HP Compaq dc5800 Small Form Factor PC. After searching through various HP support pages and forums, I was able to successfully update the BIOS to the latest version. The dc5800 SFF BIOS is mature and final
and use the F10 method rather than flashing from within a Windows environment. HP Support Community step-by-step guide hp compaq dc5800 small form factor bios update verified