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Prime95 - Rounding was 0.5 expected less than 0.4
So I am having problems with my hardware causing hard locks on my PC, where only a manual shutdown will help.
I did everything software related until I figured out it was hardware when it froze when reinstalling windows and when it froze on memtest also.
I switched the GPU and it worked for 3 hours so I believed a RMA would solve it. When I had the RMA approved, just to make sure, I tested my system with another video card again and started memtest. It froze several times, so it could not be the GPU causing it.
I then managed to run prime95 for over 8 hours and one of the worker threads stopped after 6-7 hours with error "FATAL ERROR: Rounding was 0.5 expected less than 0.4". Searching the web, it seems that this is a memory issue and that it can be caused by a a faulty unit, wrong voltages and/or timings amongst other things. Now I did notice that my mobo(latest BIOS) wasn't setting my memory timings and frequency correctly and I had to set it manually.
So I came here to ask something. Since the error happened in Prime95, what would happen if this was caused outside it? Would it lead to a hard lock on my system? If it did, then this error is definatly related to the hard freezes I get on my system, that can help once every 2 days, or 3 times in 1 hour. It's really random and unpredictable and the only way I can make it occur faster is by running memtest or Windows memory diagnostic tool.
The strange thing is that I never get a BSOD. It always freezes. It is not a bad PSU as I have checked all voltages and they are all perfectly fine.
System specs -
PSU: FSP Aurum Gold 700 (very good PSU)
CPU: I7 2600
GPU: GTX 570
RAM: Hyperx 1600 (2x4gb)
Mobo: ASUS P8P67 PRO