third gpu cuda wont work

Questions and Answers : GPU applications : third gpu cuda wont work
Message board moderation

To post messages, you must log in.


Send message
Joined: 4 Jun 08
Posts: 29
Credit: 329,211
RAC: 0
United States
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?
ID: 995722 · Report as offensive
Profile Ageless

Send message
Joined: 9 Jun 99
Posts: 14183
Credit: 3,471,282
RAC: 1,498
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 suggest that in many ways, you can be considered an alien conspiracy!
ID: 995734 · Report as offensive
Profile BilBg
Volunteer tester

Send message
Joined: 27 May 07
Posts: 3717
Credit: 8,852,748
RAC: 605
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!" :)
ID: 998935 · Report as offensive

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

©2017 University of California
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.