On 04/08/2015 11:21 PM, Joseph Areeda wrote:
> Hi All,
>
> You may remember my previous posts about a wonky video card that was
> fixed by cleaning the contacts.  Well it went belly up sort of.
>
> So I bought a new GTX960 which purports to support 4 monitors so I
> hooked up a third one but SL6 still only sees 2.
>
> I still have some debugery to do but I wanted to ask if anyone has
> gotten more than 2 monitors to work on one video card?
>
> That will help direct my efforts.
>
> For the record the output of nvidia-smi looks like:
>
>     +------------------------------------------------------+
>     | NVIDIA-SMI 346.59     Driver Version: 346.59 |
>     |-------------------------------+----------------------+----------------------+
>     | GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile
>     Uncorr. ECC |
>     | Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util
>     Compute M. |
>     |===============================+======================+======================|
>     |   0  GeForce GTX 960     Off  | 0000:01:00.0     N/A
>     |                  N/A |
>     |  0%   46C    P8    N/A /  N/A |    370MiB /  2047MiB | N/A
>     Default |
>     +-------------------------------+----------------------+----------------------+
>
>     +-----------------------------------------------------------------------------+
>     | Processes: GPU Memory |
>     |  GPU       PID  Type  Process name
>     Usage      |
>     |=============================================================================|
>     |    0            C+G   Not
>     Supported                                         |
>     +-----------------------------------------------------------------------------+
>
>
> thanks,
> Joe
>
Joseph,

I am running a Quadro NVS 450 (G98GL) in SL5.2 with 4 monitors using the 
ELrepo driver.  I have a manually configured xorg.conf.

How are you trying to configure the card, the nvidia tools? gnome/kde 
properties, or 
xorg.conf?+------------------------------------------------------+ 

| NVIDIA-SMI 2.285.05   Driver Version: 285.05.09      | 

|-------------------------------+----------------------+----------------------+
| Nb.  Name                     | Bus Id        Disp.  | Volatile ECC SB 
/ DB |
| Fan   Temp   Power Usage /Cap | Memory Usage         | GPU Util. 
Compute M. |
|===============================+======================+======================|
| 0.  Quadro NVS 450            | 0000:03:00.0  N/A    |       N/A 
   N/A |
|  N/A   78 C  N/A   N/A /  N/A |  56%  143MB /  255MB |  N/A 
Default    |
|-------------------------------+----------------------+----------------------|
| 1.  Quadro NVS 450            | 0000:04:00.0  N/A    |       N/A 
   N/A |
|  N/A   77 C  N/A   N/A /  N/A |  61%  154MB /  255MB |  N/A 
Default    |
|-------------------------------+----------------------+----------------------|
| Compute processes:                                               GPU 
Memory |
|  GPU  PID     Process name                                       Usage 
      |
|=============================================================================|
|  0.           ERROR: Not Supported 
       |
|  1.           ERROR: Not Supported 
       |
+-----------------------------------------------------------------------------+

Sorry for any wrapping of that.

-Mark