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ATI and NV GPUs in same host

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Ghost0210:
Hey all,

not sure how much luck your having with getting ATI cards with Cat versions >10-2 to work with nVidia drivers, but I decided to have a play today and somehow have managed to get Boinc to accept both Cat version 10-6 and nVidia drivers 257.21 and not crash out on start up  :D
The only way I could do it was to keep Boinc runnnig whilst I was installing 10-6 over the top of 10-4.
Then when I restarted Boinc I get the below messages:

30/06/2010 20:05:10      NVIDIA GPU 0: GeForce GTX 260 (driver version unknown, CUDA version 3010, compute capability 1.3, 878MB, 560 GFLOPS peak)
30/06/2010 20:05:10      NVIDIA GPU 1: GeForce GT 240 (driver version unknown, CUDA version 3010, compute capability 1.2, 987MB, 257 GFLOPS peak)
30/06/2010 20:05:10      ATI GPU 0: ATI Radeon HD5x00 series (Redwood) (CAL version 1.4.696, 1024MB, 620 GFLOPS peak)

Might not work after a full reboot but we may be getting closer to a way to get these two cards to work together

Claggy:
But can you get any Brook+ or ATI OpenCL apps to run standalone? If not then it's pointless.

Claggy

Ghost0210:
As soon as I rebooted the box I got a system crash.
Although it seems that its ATI that is having the issues and not nVidia so much
With my monitor plugged into the ATI card, about 30 seconds after login, got the blue and white vertical stripes and the rig froze
Rebooted, this time with the monitor plugged into the 260, about 1 minute after login the system froze - no issues with the screen just a complete system freeze
If you never reboot the machine its one way round it, as Boinc can atleast work with both driver versions installed. But as a workaround its definately not ideal

Frizz:
I am running a host (Windows 7) with a Radeon HD5770 graphics card, mostly for AP/S@H. So far so good.

Now I've put a second graphics card, a NVIDIA GT240, into that host (for MB crunching).

My motherboard has two PCIe 2.0 slots (one with 16, the other only with 4 lanes).

As long as have the HD5770 in the first PCIe slot (with 16 lanes), and the GT240 in the other (with 4 lanes) all works fine.

But for cooling purposes it would be better to swith the cards. Unfortunately this does not work.

When I put the HD5770 in the PCIe slot with 4 lanes, and the GT240 in the slot with 16 lanes, Catalyst driver reports "no ATI hardware found" (or something like).

This is strange, because in Windows device manager I can see both cards.

When I put only the HD5770 in one of the PCIe slots (doesn't matter which one), and remove the GT240, Catalyst correctly detects the card?!?!

Is there something like a primary and secondary PCIe slot?

What to do?

Raistmer:
There is thread already devoted to such configs.
Maybe mods could merge this one to that thread ?

DONE:  Admin
Thanks!: me :)

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