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Stability issue with 2 radeon 4850

Forum Graphic & Displays : ATI - Stability issue with 2 radeon 4850

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jmk84   09-08-2009 at 09:21:36 PM

So here is the deal when i start playing some game like Arma 2 or Supreme Commander FA the pc will freeze up once i have played about an hour.

But if i run Far Cry 2 benchmark for long time my comp keeps on running.

My specs are:
P II 955
Gigabyte GA-MA790FXT-UD5P
4 gb of Kingston Hyper X DDR 2 1333 CL 7
2x Asus Radeon 4850 512mb
And Corsair VX-550 psu

Running on Windows 7 7100 evaluation version.

And i am using CPUID to monitor my temps they get up to 50 per core and GPU other goes up to 90 and other keeps at 85..

Any ideas is the heat causing it?

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Gulli   09-08-2009 at 09:38:30 PM
- 0 +

Supcom is much heavier on the CPU than Far Cry 2, that explains the difference.

 

Do you have the stock cooler for your CPU, is it overclocked, do you have unobstructed airflow in and around your case?

 

You may also be stretching it powerwise or it could be a bug in Windows 7 7100.


Message edited by Gulli on 09-08-2009 at 09:41:11 PM
------------------------------ CPU: Intel Core i7 920 @3.2Ghz, MOBO: Asus P6T SE, RAM: 3x 2gb OCZ Platinum OCZ3P1600LV6GK, GPU: Sapphire HD 5870, PSU: Corsair HX520W, HDD: Seagate ST31000528AS 1Tb 32mb, COOLER: Scythe Mugen (S775 version), CASE: Coolermaster CM690
 Reply to Gulli
orangegator   09-08-2009 at 09:40:55 PM
- 0 +

Since it takes about an hour, something is likely overheating. Those video cards put out a lot of heat. Try running with the side of your case off. If that solves the problem, then you need a case with better airflow or more fans in your current case.

Reply to orangegator
jmk84   09-08-2009 at 09:41:58 PM
- 0 +

Nothing is blocking the airflow on my case..
It even has Antec BigBoy 200 on left side(+3x 120 case coolers and one 120 on psu) so it has pretty good airflow..

And Cpu heats only up to 50 and is on stock clock..

And the freeze comes with little stuttering before like 2-6 frames freezes and then cursor wont move.

Message quoted 1 times
Message edited by jmk84 on 09-08-2009 at 09:45:32 PM
Reply to jmk84
Gulli   09-08-2009 at 10:50:19 PM
- 0 +

jmk84 wrote :

Nothing is blocking the airflow on my case..
It even has Antec BigBoy 200 on left side(+3x 120 case coolers and one 120 on psu) so it has pretty good airflow..

And Cpu heats only up to 50 and is on stock clock..

And the freeze comes with little stuttering before like 2-6 frames freezes and then cursor wont move.



Your cards are still overheating for some reason... are you sure the casefans aren't working against each other, can the hot air from the cards get out of the back of the case or is it blocked?

------------------------------ CPU: Intel Core i7 920 @3.2Ghz, MOBO: Asus P6T SE, RAM: 3x 2gb OCZ Platinum OCZ3P1600LV6GK, GPU: Sapphire HD 5870, PSU: Corsair HX520W, HDD: Seagate ST31000528AS 1Tb 32mb, COOLER: Scythe Mugen (S775 version), CASE: Coolermaster CM690
 Reply to Gulli
jmk84   09-09-2009 at 02:38:17 PM
- 0 +

Well i finally found solution i had to turn the Big Boy airflow around and one 120 on floor of the case around too.. The GPU´s are now running at 77 at max but the cpu is now going up to 56..

So i might just do another hole on back of the case and add one more fan beside the CPU..

I had same configuration on my case with Phenom 9650 and one radeon 4850 but i guess two of those puts out tons of heat and heat rises to cpu..

No more crashes played 5 hours of ARMA 2 to check it out...

Thank you any very much

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