Problem with two GPUs

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Profile Luivit

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Joined: 22 May 10
Posts: 9
Italy
Message 32946 - Posted: 22 May 2010, 9:55:28 UTC

Hi, in my pc I have a 4850 ati and nvidia 9800GT eco (the ATI processes on the milkyway@home and nvidia should processes on SETI).
Since I have installed the nvidia, boinc manager no longer works: there is the message "connection to localhost in progress". I tried reinstalling the drivers both vga, operating only the nvidia, and I put in cc_config.xml this code:

<cc_config>
<log_flags>

</ Log_flags>
<options>
<use_all_gpus> 1 </ use_all_gpus>
</ Options>
</ Cc_config>


What can I do?
I have boinc 6.10.18, 10.4 ati drivers, nvidia 197.45 drivers and Windows 7 Ultimate 32bit

Sorry for my bad English :)
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Claggy

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Joined: 23 Apr 07
Posts: 1112
United Kingdom
Message 32948 - Posted: 22 May 2010, 10:27:46 UTC - in response to Message 32946.  
Last modified: 22 May 2010, 10:35:12 UTC

Uninstall Cat 10.4, install Cat 10.2 and it'll work,

I couldn't get Boinc 6.10.x to work with Cat 10.4 and 197.25/.57 on Win 7 64bit eithier, GPU-Z would also crash, also Brook+ and ATI OpenCL apps would crash,

Boinc 6.10.x will also work O.K with Cat 10.4 if your remove the Nvidia GPU and drivers.

see: problems with ATI 10.3

your cc_config.xml should look like this, Extra spaces tend to have undesirable effects:

<cc_config>
<log_flags>

</log_flags>
<options>
<use_all_gpus>1</use_all_gpus>
</options>
</cc_config>


Claggy
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Profile Luivit

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Joined: 22 May 10
Posts: 9
Italy
Message 32949 - Posted: 22 May 2010, 11:05:29 UTC - in response to Message 32948.  

thanks, I was going crazy :)
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Profile Luivit

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Joined: 22 May 10
Posts: 9
Italy
Message 34088 - Posted: 8 Aug 2010, 8:38:44 UTC

Hi, this problem has been solved?
because I have not tried to upgrade the ati driver (now I have the cat 10.2)
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Claggy

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Joined: 23 Apr 07
Posts: 1112
United Kingdom
Message 34089 - Posted: 8 Aug 2010, 10:08:40 UTC - in response to Message 34088.  

Hi, this problem has been solved?
because I have not tried to upgrade the ati driver (now I have the cat 10.2)

I don't know if it's been fixed with Cat 10.7, it hadn't been with Cat 10.6,

What PCI-X slots are the ATI and Nvidia GPU's in?, i've seen reports of it working when ATI GPU is in first slot,
but not tried it yet, hopefully I'll try Cat 10.7 and a GPU swap today,

Claggy
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Profile Luivit

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Joined: 22 May 10
Posts: 9
Italy
Message 34090 - Posted: 8 Aug 2010, 14:47:55 UTC

I have the ATI GPU in the first slot and Nvidia gpu in the second
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Nuno Cardoso

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Joined: 21 Feb 11
Posts: 1
Portugal
Message 36947 - Posted: 21 Feb 2011, 0:52:12 UTC

Hello, on my computer I have two graphics cards installed, an intel down consumption, and a ati radeon, The boinc uses two graphics cards, or just one? If you use only one, is there any way to use both. No more thank you. Now the market there are several notebook computers this way
Nuno_Boloto@hotmail.com
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Message boards : GPUs : Problem with two GPUs

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