I might take a vote on the PSU being a potential thing, problem with freezing and such is it can be a lot of different things.
The two most common I've seen is the PSU and GPU being the culprit. I would attempt using the onboard first to see if it replicates the issue or not, and then go from there.
-ST
The two most common I've seen is the PSU and GPU being the culprit. I would attempt using the onboard first to see if it replicates the issue or not, and then go from there.
-ST