third gpu cuda wont work

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Questions and Answers : GPU applications : third gpu cuda wont work

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Joined: 4 Jun 08
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Message 995722 - Posted: 12 May 2010, 4:49:45 UTC

i got a gtx295 and a 8600gt. the 8600gt is a cuda card but cuda wont work. boinc wont use the card.
any ideas?

Profile Ageless
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Message 995734 - Posted: 12 May 2010, 5:24:41 UTC - in response to Message 995722.

To be able to use any GPU you:
a) use the <use_all_gpus> flag in cc_config.xml; see this FAQ for details.
b) may need to add a monitor or VGA dummy plug to all videocards.
c) may need to stretch the desktop over all the videocards.


Ancient Astronaut Theorists say that they believe... Why don't you?

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Message 998935 - Posted: 26 May 2010, 15:37:45 UTC - in response to Message 998932.
Last modified: 26 May 2010, 15:49:55 UTC


@ Robert P. Herbst

1) Nobody except spam bots will reply to your e-mail
(some of the moderators helped you to not receive huge spam by hiding your post)

2) Read the post above (from Ageless)

3) Read:

BOINC Not Using Both GPUs

third gpu wont use cuda

4) Search Google for VGA dummy plug

The 30 Second Dummy Plug


- ALF - "Find out what you don't do well ..... then don't do it!" :)

Questions and Answers : GPU applications : third gpu cuda wont work

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