My current Geforce 8800 is starting to show some weird behavior at times and I'm tempted to buy a new card. But what's the roadmap of ATI and NVidia? When are they planning to launch new videocards that are compatible with DirectX 11. I haven't heard much about them.
DirectX 11 Graphics Cards – Compatible Videocards [Closed]
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I got it to work. The first step was to replace the GeForce card with a Quadro card identical to the first. Then nvidia-settings was able to see it. I ended up with this xorg.conf:
Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "Screen0" 0 0
Screen 1 "Screen1" RightOf "Screen2"
Screen 2 "Screen2" RightOf "Screen0"
Option "Clone" "off"
Option "Twinview" "on"
Option "Xinerama" "on"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "DELL 2408WFP"
HorizSync 30.0 - 83.0
VertRefresh 56.0 - 76.0
Option "DPMS"
Option "RandRRotation" "on"
Option "Rotate" "CCW"
EndSection
Section "Monitor"
Identifier "Monitor1"
VendorName "Unknown"
ModelName "DELL 2408WFP"
HorizSync 30.0 - 83.0
VertRefresh 56.0 - 76.0
Option "DPMS"
Option "RandRRotation" "on"
Option "Rotate" "CCW"
EndSection
Section "Monitor"
Identifier "Monitor2"
VendorName "Unknown"
ModelName "DELL 2408WFP"
HorizSync 30.0 - 83.0
VertRefresh 56.0 - 76.0
Option "DPMS"
Option "RandRRotation" "on"
Option "Rotate" "CCW"
EndSection
Section "Device"
Identifier "Videocard1"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "Quadro NVS 295"
Option "RenderAccel" "true"
BusID "PCI:3:0:0"
Screen 1
EndSection
Section "Device"
Identifier "Videocard0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "Quadro NVS 295"
BusID "PCI:3:0:0"
Screen 0
EndSection
Section "Device"
Identifier "Videocard2"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "Quadro NVS 295"
BusID "PCI:4:0:0"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
Option "UseEdidFreqs" "True"
Option "TwinView" "0"
Option "metamodes" "DFP-2: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection
Section "Screen"
Identifier "Screen1"
Device "Videocard2"
Monitor "Monitor1"
DefaultDepth 24
Option "UseEdidFreqs" "True"
Option "TwinView" "0"
Option "metamodes" "nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection
Section "Screen"
Identifier "Screen2"
Device "Videocard1"
Monitor "Monitor2"
DefaultDepth 24
Option "UseEdidFreqs" "True"
Option "TwinView" "0"
Option "metamodes" "DFP-3: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection
TwinView doesn't seem to be available across multiple cards, so now I use multiple X screens with Xinerama, which causes the Gnome Screen Resolution applet not to work (it thinks XRandRExtension is not enabled even when it is). But I hard-coded the screen rotations in there, and it all works.
Hopefully Ubuntu Karmic solves all this with whatever its replacement system is for the rather dreadful xorg.conf
.
Sorry, you can't SLI/Crossfire link an Nvidia card with an ATI one.
As for having both cards in the machine, and simply plugging another monitor in... This should work fine. Windows 7 improves on Windows Vista's graphics architecture and allows graphics cards from different vendors.
Best Answer
ATI Demonstrates “The Future” DirectX 11 Graphics Cards at Quakecon
AMD Set to Release DirectX 11 Graphics Card
Update: Active Slashdot discussion AMD Previews DirectX 11 Gaming Performance
Update2: ATI Radeon HD 5870 & HD 5850 are about to hit the market shortly.
Here is a reference table of the DirectX 11 Radeon series and its street-markers (release dates) compared with the nVidia GTX 285 (the posting is in German but the table is readable).
Here is another posting in English...