When I thought it was driver issues related to VPU recovery code or bad/under powered PSU, it was in fact heat/damaged cards on 3 out of 4 3870x2's I went through. I was consistently able to fail them using 3DMark. Simply ramp all the settings to max and if you have a hardware issue you'll know.

Doubtful Q3 will stress enough to crash it unless there's major hardware issues. PSU is a good place to look, assuming it's correctly rated then it's hard to eliminate without known good PSU to swap in. If you have a DMM which can do hi/lo monitoring you could see if there's a voltage drop under load.

Jumped though these hoops for months, always came back to bad hardware.

you'll know. On 3/15/2010 10:05 AM, James Boswell wrote:
Quake 3 isn't going to stress a modern card particularly well?

I'd have thought Far Cry 2's benchmark would have been a better stress test.

On 15 Mar 2010, at 17:03, Anthony Q. Martin wrote:

Will Quake 3 run in a continuous loop?  I've run both demos several times at 
the high res with all features on.  No problems.  New vidcard installed.

Frankly, I've been using eqiupment for a while with zero problems. The problems 
started with the first Radeon. So far, over a short span, this card seems to be 
fine.

On 3/15/2010 12:23 PM, Robert Martin Jr. wrote:
If you can't narrow this down to driver issue, my first thought would be power 
supply going south. I've seen similar issues when the power supply isn't 
providing quite enough power to the system.  Video card could be iffy or even 
mainboard. As for video stress test I still use a quake3 demo loop although I'm 
sure there are much better tests available.

lopaka





________________________________
From: Anthony Q. Martin<amar...@charter.net>
To: hardware@hardwaregroup.com
Sent: Mon, March 15, 2010 6:35:17 AM
Subject: [H] Testing Graphic Card Stability

Ok....

I had a HIS ATI Radeon HD 5770 in this system.  Tried all drivers available, 
using driver cleaner to remove previous drivers, etc, yet the same result 
persisted: Crashing..  Yesterday, my PC reboot several times during the day.  
On some days, it doesn't do that.

I just loaded in A Sapphire Radeon HD 5770 in thsi system. While these cards 
are basically the same, performance wise, they boards are different as this one 
has to DVI ports on it while the other other only had one.  Thus, the layouts 
of the boards are very different (I didn't want to risk getting the exact same 
board for fear of some fundamental problem in the board design from HIS or ATI).

So far, and not much time has gone by since I just installed this board a 
couple of hours ago, things seem to be working. WEI works as done some program 
I got called Performance Test.

My question is what software can I use the drive this video card in a loop to 
see if it really works or not?  Or, am I going to have to see here and wait for 
a crash?

Thanks.



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