A lot of people use Prime95 to test their cpu overclock...a google search will probably bring up a place to download it from.
A looping timedemo of Quake 3 is a good stability test. I find that it is a better vid. card stability test than, say, a looping 3Dmark 2k benchmark. For some reason, if I clock my GF2Ultra too high, ...
OCCT 16.1 adds stable Intel Arrow Lake CPU support with per core tuning, real time testing, and cross platform System Tuning ...
Make sure your efficiency doesn't turn into a compromise ...