GTX 285 OpenGL stuttering problems

Hi all, wondering if you can help me find out whats wrong here.

I've just built a new machine around the Intel DX58SO and 920 CPU.
Basically the problem lies with the opengl graphics in the simulator we're running.
According to our operators we're getting stutters every 0.5 seconds or so.
I've tried different driver revisions and graphics cards but they all have the same problem.

The strange thing is then environment works just fine on the older x38/48 qx9650 builds, all bar the one using the Intel DX48BT2

Any Ideas?

Thanks

 

What programs are you testing with and what games are you testing on?

 

I've not had a chance to test it on any games, and don't have the machine in the country anymore. The simulator we use is quite unique and based around opengl so I normally run furmark to ensure that everything appears to be working. It ran for 5 hours just fine.

 

if its in sli, try other sli modes

edit: nvm sli

 

nope, single card, our environment doesn't support SLI yet

 

u could try different pre-render settings to see if it helps and try find how to optimize bios settings for memory

 

Turn Tripple Buffering to the opposite of whatever it is now.

 

Try setting single display performance mode in control panel.