CrossfireX on XP 64 bit

hellcamino · #1 03-30-2009

Has anyone here used XP 64 bit for 2x 4870X2's and had CrossfireX work for them? I have been dealing with some vista security issues that effectively crash my pc when they come up and am contemplating going back to XP 64 bit.

Chuchnit · #2 03-30-2009

I thought it wasn't possible to run 4 GPU's in XP???

hellcamino · #3 03-30-2009

Quote:

Originally Posted by Chuchnit

I thought it wasn't possible to run 4 GPU's in XP???

In XP no, my question was for XP64. If you haven't tried XP64 than you probably don't realize just how much different it really is from it's 32 bit counterpart.

2chesapeakes · #4 03-30-2009

Quote:

Originally Posted by hellcamino

Has anyone here used XP 64 bit for 2x 4870X2's and had CrossfireX work for them? I have been dealing with some vista security issues that effectively crash my pc when they come up and am contemplating going back to XP 64 bit.

I have tried it and the system crashes and hangs on the boot screen. If I remember correctly both XP 32 and 64 will only recognize 2 GPU max. I have ran xp64 in some benches lately and it only scored marginally better than Vista64 I don't know how that translates into gaming or every day performance as it is installed on thebenching rig.

Kal-EL · #5 03-30-2009

Most all of my older games ran much smoother on xp64 than xp32 and vista's 32/64. This is with nvidia cards and I've not tried the latest releases. Microstutter and smoother frame rates were had in xp64.

Wish I could comment on new releases but, I'm a bencher now.

hellcamino · #6 03-31-2009

Quote:

Originally Posted by 2chesapeakes

I have tried it and the system crashes and hangs on the boot screen. If I remember correctly both XP 32 and 64 will only recognize 2 GPU max. I have ran xp64 in some benches lately and it only scored marginally better than Vista64 I don't know how that translates into gaming or every day performance as it is installed on thebenching rig.

Was the CCC allowing you to enable crossfireX on all 4 gpus Jeff?

2chesapeakes · #7 03-31-2009

Quote:

Originally Posted by hellcamino

Was the CCC allowing you to enable crossfireX on all 4 gpus Jeff?

On my set up it would blue screen on the windows screen. I was never able to get into XP64 with 2 x 4870x2 however single 4870x2 would work in crossfire.

I will give it a try again this weekend and see what happens

hellcamino · #8 04-01-2009

I eagerly await your results.

Jeffro64 · #9 05-22-2009

So... Can you use 2 4870 x2's in XP 64 or no? I have one in XP 32 now and I don't see a setting anywhere for Crossfire... where is that setting in the CCC?

Chuchnit · #10 05-22-2009

Quote:

Originally Posted by Jeffro64

So... Can you use 2 4870 x2's in XP 64 or no? I have one in XP 32 now and I don't see a setting anywhere for Crossfire... where is that setting in the CCC?

3 GPU's or more require vista.