Wierd issue and it's going to drive me to drink....
Never had an issue I can't solve. Always a 1st right?
Recently put together an HTPC running Windows 7 with these specs:
ASUS Crosshair II
AMD Phenom Quad Core 955
4 GB OCZ 1066
ATI 4870 x 2
Bear in mind this is water cooled however as it's an HTPC the radiator is a double 80mm guy and althought the idle temps on the CPU are around 50 degrees celcius they can shoot up to 70 when gaming.
Saying that the 2 x 4870 cores max out around 45 degrees. I do need to add another rad though but I do not believe this is not the cause of the current issue.
I can play Team Fortress 2, Half life, Fear 2 and a couple other games with no issues. Even when temps are high. I have run 3dMark06 serveral times - no freezing crashing, etc.
Logic would dictate that the CPU, MB, Graphics card and mem are ruled out. MemTest has already been run which confirms that mem is okay.
Also take into account I have reinstalled the OS several times
Heres where the issue crops up - When I play dawn of war ii and red alert 3 either between 5 - 10 mins the games freeze. no blue screen altough I have had them in the past but the games just freezes and make an odd noise then stops altogether.
As soon as I lower the sound quality of Dawn of War II - no crashing/freezing. Yet to test it on Red Alert.
I was using onboard sound after reaslising this I replaced it with a Sound Blaster X-Fi Titanium.
..but alas the same happens with this card as well. I have cleaned up the drivers using driver sweeper. Even disabled onboard Sound in the BIOS.
I still get a crash which leads me to believe that it's either the OS (Windows 7) or the PSU. Sound card ruled out - too much of a coincidence of both cards not working.
I'm going to reinstall the Vista x64 to see if this fixes the issue however if this doesn't work then I'm back to the drawing board.
Any help greatly appreciated...
what PSu do you have pushing that hardware? sometimes when you have a particularly taxing game it may show signs of weakness but not in lighter games.. esp when dual gpu and cpu are 100% loaded.. however what you mentioned makes me thing it is a sound issue.. I would alos try removing the sound blaster card from the pc.. maybe those 2 games are requesting somethign from the sound blaster creating a conflict with graphics? sound blaster is know to have irq conflicts with video cards.. my 2 cents. please let us know what happens
I have that CPU and first off I think that your temps are way too high. The specs on the CPU state 61C high temp (there is some safety zone I would think) 70C is way too high. With the average case and the stock HSF I think you would get better CPU temps not overclocked v the water system you have at the moment. My oced (3700MHZ) temp this second is 33C on air. Latest BIOS on the MB? All correct and updated drivers? The GPUS are 45C and are water cooled also? If that is true that your high temps for your xfire GPU steup is only 45c that is very good. Pull the sound card for the moment. What is the wattage rating of the PSU? I do have some other ideas, answer back we'll go from there.
Oh yes - about the htpc - I live in a one bed flat so no space for a desk hence the need to save space. I do need to put this in a tower and put it under a desk - that would require a bigger place. This is starting to get expensive...
Go into the control panel or the device manager and delete the ATI graphics driver and ATI sound drivers. Uninstall the card.( from device manager ) Reboot. Don't let windows install the drivers. Do a manual install........ from the drivers you downloaded from AMD/ATI site. Do an advanced install. When prompted........ only select to install the graphics driver and DO NOT install the sound portion. Reboot and see if it helped. ..............