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argada

14 posts

Geek


#20162 15-Mar-2008 04:05
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I just built a new machine, specs:

Intel Core 2 Duo E8500
Zalman CNPS9500 AT Cpu Cooler
Asus P5N-D 750i
4GB G.Skill DDR2-800 4-4-4-12
2 * XFX 8800GT 670M 512MB XXX with Zalman Cooler
Thermaltake Toughpower 750W
Thermaltake Xaser V Damier case
Windows XP Pro x64
Everything still running at stock
Latest bios, chipset, video drivers(169.32)...



Issues:


CPU: - The core temperature sensor reads idle at 53c and 71c under load.

Seems awefully high for stock settings. Every fan are all on full blast 100% of the time, temperature sensors on in the case records case temperature at a steady 27c. Temperature on the base of the Zalman cpu cooler at load records 38c. I stress tested by running prime for 10 hours or so and seems to be no problems. Temperature drops very rapidly when load is taken away, from 70ish back down to around 53 and that is where it will stay.

From what I've read, some of the E8xxx cpus have temperature sensor problems, producing high numbers. Anyone experienced anything like this? Advice? Would it be fine?



Graphics: - HOT!

The primary card idles at 67c, bottom card 55c. When under load, the primary card runs at over 90c (Peaked at 97c)!! The fans run pretty quiet, I suspect they are running too slow. I used the latest version of rivatune to crank the fan to 100%, but I notice no physical chance in fan speed. A little reading suggested I might have to get a bios update from xfx in order to increase the fan speed (Still waiting for xfx support to get back to me). And again, it cools down rapidly when load is lifted, drops at almost 1c per second back to around the idle speed. Again I ask, anyone have experience with these cards? any solution?

Again, I think.. the cards aren't exactly sufficating in the case with all the fans running, the exaust from the back of the case is blowing out pretty cool air even under load. I tried removing the side panel completely and resulted in no significant chance in temperature.


- SLI Performance in crysis.

I actually get a slight performance decrease with sli enabled when running crysis. With my current in game settings, the benchmark shows AVG 31 fps single gpu mode, AVG 28fps sli mgpu mode! I patched crysis to the latest version, video driver latest version....
What could be the problem?

3Dmark06 I do see a difference, 11k single mode, 15k+ with sli enabled, so i know sli isn't broken completely.
EDIT: Turns out the 64 bit crysis, the profile for sli of it isn't there, so sli won't kick in for crysis64.exe. I ran crysis32 emulation, resulting avg fps at same settings is now 47 fps. So.. mystery solved.

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Vorbis
176 posts

Master Geek


  #116835 15-Mar-2008 15:48
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My E8200 runs hot hot too. Temp sensors can vary wildly, I remember an old K7n400 pro board that gigabyte kept releasing bios updates for, and the temps would vary around 25 degrees from bios to bios!
If she's stable with prime95 at 10 hours then I wouldn't worry.
The gfx card seems bloody hot at 97!!! My 8800GT peaks at about 68-70 under load.





argada

14 posts

Geek


  #116866 15-Mar-2008 22:54
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Yeah.. but I had plans to oc the cpu a little, kinda getting put off from doing so due to these temperature readings.

Well I moved the case fans around, removed the air filters to increase air flow, and now I have a more powerful fan blowing cool air directly onto the two cards.

Temperature looks better, dropped almost 10 degrees. Now peaks at 90c (Which is still crazy hot..) But this doesn't seem right, needing soo much 'external' cooling help just to maintain 90c? ...wth..

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