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Message boards : Graphics cards (GPUs) : GTX 260 Core 216 X2 in SLi Vista64 won't recognize the second card

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Stephenish
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Message 12282 - Posted: 2 Sep 2009 | 22:46:11 UTC

For some reason, I can't get the second card to be recognized by GPUGrid. I still have (0.21 CPUs, 1 CUDA) running on GPUGrid. Plus after installing the second card, there were several computation errors. I uninstalled the graphics drivers, went into safe mode and reinstalled the drivers, but still only one CUDA device is running. I am using two EVGA 896-P3-1255-AR devices. And yes, I put the "cable" on the SLi portion of the cards (there were two places to put the "cable" but I used the slot by the back edge. (Hope I did that correctly.)

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Message 12283 - Posted: 2 Sep 2009 | 23:05:38 UTC - in response to Message 12282.
Last modified: 2 Sep 2009 | 23:07:16 UTC

what version of the nvid drivers are you using, as 190.38+ had it set where computing will occur on both gpu's, any driver before that you have manually disable sli.

plus their is a setting in the cc_config file of boinc for use all gpus.

add this line to the cc_config file in boinc:

<use_all_gpus>1</use_all_gpus>

cc_config file configuration:

http://boinc.berkeley.edu/wiki/Client_configuration

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Message 12284 - Posted: 2 Sep 2009 | 23:11:45 UTC - in response to Message 12283.

Using 190.62

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Message 12285 - Posted: 2 Sep 2009 | 23:20:22 UTC - in response to Message 12284.

cc_config file created.

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Message 12286 - Posted: 2 Sep 2009 | 23:23:51 UTC - in response to Message 12285.
Last modified: 2 Sep 2009 | 23:25:04 UTC

Used Advanced/read config file

still only one card running

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

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Message 12287 - Posted: 2 Sep 2009 | 23:29:45 UTC - in response to Message 12286.
Last modified: 2 Sep 2009 | 23:31:53 UTC

it needs to be in this form:

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

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Message 12288 - Posted: 3 Sep 2009 | 0:20:06 UTC - in response to Message 12287.

Edited appropriately.

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Message 12294 - Posted: 3 Sep 2009 | 4:52:35 UTC - in response to Message 12288.

By the way, thanks for the quick response, zpm.

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Message 12320 - Posted: 3 Sep 2009 | 16:50:49 UTC - in response to Message 12294.

What is GPU-Z showing & device manager ? Also two GPU's ? If "yes', try to move one card to another PCI-E slot, in case that it availiable on MB. Did you also use ZyDOR's recommendations for drivers uninstall prcedure?
Yours,

Jet

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Message 12322 - Posted: 3 Sep 2009 | 16:58:28 UTC - in response to Message 12320.

Jet, i don't know if you read everything or not, but his problem is fixed.!

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Message 12325 - Posted: 3 Sep 2009 | 17:12:40 UTC - in response to Message 12282.

Have you checked in NVIDIA control panel that SLI is enabled ?

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Message 12327 - Posted: 3 Sep 2009 | 17:23:21 UTC - in response to Message 12325.

OMG. I say anymore than that OMG, I'm going to Kill someone!....................

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Message 12329 - Posted: 3 Sep 2009 | 17:26:06 UTC - in response to Message 12327.

ROFL :)

Think Zen :)

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Message 12348 - Posted: 3 Sep 2009 | 22:08:14 UTC - in response to Message 12322.
Last modified: 3 Sep 2009 | 22:08:35 UTC

Jet, i don't know if you read everything or not, but his problem is fixed.!


Is it? You could read that into what he wrote, but he didn't say so. I'd have suggested extending the desktop to the 2nd GPU.. but I don't want you to kill anyone ;)

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Message 12352 - Posted: 3 Sep 2009 | 23:56:11 UTC - in response to Message 12348.

w/e. I'm glad that his cards are performing, i'm sure that if he was still having the problem, a thank you wouldn't of been the response.

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Message 12364 - Posted: 4 Sep 2009 | 21:04:08 UTC - in response to Message 12352.

That sounds.. not so unprobable ;)

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Message 12404 - Posted: 6 Sep 2009 | 16:01:34 UTC

Hi,

has anyone a summary about the GTX260 troubles?
I can remember a posting, that says, end of august maybe a solution available. Yesterday i tried it, but my wu's still fail.

I use latest versions of Boinc (6.10.0), nvidia driver and vista 64. Currently i run einstein and seti cuda wu's, they work fine, but I'm looking forward to enable gpugrid again.

Regards

Alexander

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Message boards : Graphics cards (GPUs) : GTX 260 Core 216 X2 in SLi Vista64 won't recognize the second card

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