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gvizbi
  •  gvizbi
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2007-05-20T10:40:35Z
I have a problem with my GA-965P-DQ6. System locks up continuously, especially when running something that uses a lot of memory. However, freezing can happen even if system is idle, but rarely. I tried memory tests (Orthos, Everest, SiSoft Sandra, etc) and every test freezes my system after 40s to 3 mins. I thought that this is memory issue, but then I tried 4 different RAM models (Transcend JetRam 800MHz, Kingston ValueRam 667MHz, Kingston HyperX 800MHz, Corsair ValueRam 667MHz and Corsair XMS2 800MHz), and results are all the same, system locks up after a few minutes of memory testing. Bios settings are set to fail safe defaults. I tested all my components on the other motherboard and everything works perfectly. What may be the problem?

System:
Intel C2D E6600, 2.4GHz
Gigabyte 965P-DQ6
Asus EN8800GTX
Transcend JetRam 2x1GB, 800MHz
Cooler Master eXtreme Power 650W PSU
2x320GB Samsung HDDs, RAID 0

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Der Meister
2007-05-20T14:36:53Z
I i read that correctly you have two 775 mobo's that you checked you components on? If so did you check the ram on that mobo?

Try running Memtest86 its runs on the boot up and will tell you if its bad ram or not. it might be a bad mobo

http://www.memtest86.com/
gvizbi
  •  gvizbi
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2007-05-20T19:01:29Z
I tested RAM using Memtest86 as you sad and everything went ok.
Der Meister
2007-05-20T20:06:34Z
humm... thats interesting... i wonder if its a heat problem. are you running a stock cooler on your 6600? what type of case do you have and how many case fans do you have? I could be a faulty mobo temp reader.
gvizbi
  •  gvizbi
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2007-05-20T22:22:35Z
I'm running Cooler Master Eclipse and temperatures are:
Motherboard: 46C (115F)
CPU: 47C (117F)

I have Chieftec CH-01B-B-SL with two 90mm fans pushing air in from the front, and one 120mm fan pushing air out from the back side.

There is one thing that I simply can't explain, when I'm using eclipse cooler, system locks up during orthos memory test after 40s to 3mins, and when using stock cooler, temps. are about 10 C higher but system locks up after approx. 15-20mins.

Also, when I'm running only one memory module, system system up after 30mins, sometimes even longer.
gvizbi
  •  gvizbi
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2007-05-25T21:00:05Z
Finaly success!!! I solved the problem. North bridge was overheating. Added some 80mm fan between gfx and eclipse cooler to push some air towards north bridge and system is rock stable at 400x9. Now, I don't know how to mount some real north bridge cooler on Gigabyte's passive cooler? Any idea?

Thanx for your suggestions!
gvizbi
  •  gvizbi
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2007-05-26T00:24:25Z
I want to place fan on the existing passive cooler.
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