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Old 02-23-07, 09:43 AM   #1
bms20
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Join Date: Mar 2003
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Default Twinview with 7800GTX and 8800GTX?

Folks,

I'm thinking of getting another graphics card - an 8800GTX.

I currently run twinview on two monitors off of a 7800GTX. Can I use twinview to drive three monitors, one monitor being driven off of the 7800, and the other two off of the 8800?

Or, must I buy two 8800s?

I have an NForce 4 professional motherboard, so two separate PCIx 16 busses.

-bms20
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Old 02-23-07, 11:39 AM   #2
JaXXoN
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Location: Munich
Posts: 910
Default Re: Twinview with 7800GTX and 8800GTX?

Quote:
Originally Posted by bms20
I currently run twinview on two monitors off of a 7800GTX. Can I use twinview to drive three monitors, one monitor being driven off of the 7800, and the other two off of the 8800?
I recently tried out such a setup: xinerama will work, but you won't have OpenGL.
Means: 2D Applications such as browsers and office will work, but even glxgears
refuses to work.

regards

Bernhard
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Old 02-23-07, 12:44 PM   #3
netllama
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Default Re: Twinview with 7800GTX and 8800GTX?

Twinview supports two display devices. If you wish to use more than 2, you'd need to run separate X screens and/or Xinerama and/or Twinview together.
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Old 02-23-07, 12:55 PM   #4
JaXXoN
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Default Re: Twinview with 7800GTX and 8800GTX?

Quote:
Originally Posted by JaXXoN
I recently tried out such a setup: xinerama will work, but you won't have OpenGL.
Means: 2D Applications such as browsers and office will work, but even glxgears
refuses to work.
Ok, maybe that was not clear enough: 2x 7800GTX or 2x 8800GTX are working
fine with OpenGL, but 1x 7800GTX + 1x 8800GTX doesn't: IIRC the xserver
reports that 7xxx series cards are incompatible with 8xxx series cards with
respect to OpenGL (or something like that).

regards

Bernhard
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