The service jumper is related to that error, because it unlocks the acess to bios regions, same symptom as FD locked so it gives the 280 error.
You sure you got it right?
Shutdown the system and drain it, unplug AC for 15m, then try again.
The service jumper is related to that error, because it unlocks the acess to bios regions, same symptom as FD locked so it gives the 280 error.
You sure you got it right?
Shutdown the system and drain it, unplug AC for 15m, then try again.