dual video cards onboard intel and nvidia pcix

[themonkeymixer]

i have an intel onboard and an nvidia with dual head using linux mint 14 x64

when I try and activate the onboard card the system crashes quite epically

im lost after about 5hrs trying to figure this out

I have tried installing the nvidia drivers but then the third onitor does nothon on bootup

when this is removed the system shows boot up messages on the two monitors on the nvidia and the boot up animation on the third

as soon as the login screen for miint loads the onboard monitor shuts off



so i have

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uname -a
Linux travis-desktop 3.5.0-21-generic #32-Ubuntu SMP Tue Dec 11 18:51:59 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

so i try and set the intel card active with

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xrandr --output VGA1 --mode 1280x1024 --rate 75

here is sudo lshw
http://pastebin.com/2pX22pF2

the system crashes and the only access i have is via ssh
here is dmesg
http://pastebin.com/TekQTXjf

[AlbertP]

You can't use multi-GPU with xrandr. It could maybe be done by writing your own layout in xorg.conf but then you won't have 3D acceleration anyway when using both GPUs for an extended desktop.

[themonkeymixer]

so can I buy a pcix x1 video card that is an nvidia http://www.google.com/shopping/product/ ... KQBEPMCMAY

using the same chipset for both cards, is this a possibility?

[AlbertP]

I don't know if that will work with the latest NVIDIA versions that support xrandr. At least in the past with Mint 13's default NVIDIA driver, this certainly worked. You can use NVIDIA X Server Settings to set up dual- or triple-monitor then.

Also, if you're not using the Intel graphics anymore then please disable iGPU Multi Monitor in your BIOS.