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What is causing these freezes?

Last response: in CPUs
October 4, 2009 11:02:50 AM

SeaSonic S12 Energy Plus SS-650HT 650W ATX12V

i7 920 D0 @ 3.8GHz + Xigmatek s1283 Classic
ASRock X58 Extreme
3x2GB Crucial DDR3 9-8-8-19 1448 MHz
MSI GeForce 260 GTX 216 Cores
Four Seagate 250GB in Raid0
One Hitachi 1TB backup
FusionHDTV PCI Card
SoundBlaster Live 5.1 PCI + Live Drivebay
DVDRW/CDRW Combo Drive
5x 120mm case fans, 1x 240mm case fan

So my overclock passes Prime95 overnight on Small FFT and Large FFT. I was able to benchmark my Raid-0 HDD in Passmark Performance Test. However, whenever I try to do tasks involving CPU and HDD at the same time the computer would freeze. In AfterEffects CS3 where rendering requires CPU to apply the effects and HDD to output large HDR files, it would always freeze the computer before it finishes.

Half the time during bootup, the computer would freeze right after the XP moving gauges. Other times it bootup fine.

It seems the CPU runs fine and the HDD runs fine, but it can't happen at once.
The problem has been progressively getting worse within the last year.
Is this a sign of a failing power supply? I thought Seasonic had a greate reputation for their products. Is there any way I can check to see if its something else causing this?

Vcore = 1.216
+3.3V = 3.28
+5.5V = 4.89
+12V = 12.10

More about : causing freezes

a b à CPUs
October 4, 2009 12:19:08 PM

No I think your XP system registry is getting cluttered and it's time to clean it out and reinstall some of the drivers - graphics for a start.

Try a good registry cleaner ...

Also uninstall your codec packs and reinstall them.

I assume you have been running diskclean and defrag etc ...

It might pay to back off a bit on the overclock ...

Jeez ... can't believe I said that ... don't tell anyone eh?
October 4, 2009 12:33:43 PM

How does registry clutter cause freezes when AfterEffects is rendering HDRI files?
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a b à CPUs
October 4, 2009 12:47:32 PM

This comment suggest somethign is amiss there:

Half the time during bootup, the computer would freeze right after the XP moving gauges. Other times it bootup fine.
October 4, 2009 3:25:19 PM

I am sure my registry is clean
October 6, 2009 1:51:31 AM

I replaced the PSU but same problem. It passed prime95, but I can't load the cpu and hdd's at the same time without freezing. Should I change voltages???!!! This is frustrating!
a b à CPUs
October 12, 2009 12:30:41 PM

Try backing off the overclock slightly but reinstall the mobo CD first.

Might be a corrupt driver.

Have you monitored the temps to see if the temp spikes at the point where the files are output to the HD after rendering?

I am out of advice other than to back off the overclock to a much lower level and start discounting:

memory clock?
ram speed and latency?
is the PCI-E / SATA? bus to the HDD array overclocked locked standard?

Are the HDD's overheating - spaced apart in the box and getting airflow?
Is the case tidey and neat inside so as to allow good airflow?

Jeez it is hard to see where to start.

Anyone else want to step in here ... <hint hint?>