On Nov 28, 2011, at 9:51 AM, suvayu ali wrote:
> On Sun, Nov 27, 2011 at 20:41, Thomas Cameron
> <thomas.cameron@xxxxxxxxxxxxxxx> wrote:
>> I am wondering, since my motherboard has a four PCI Express x1 ports and
>> I see PCI Express x1 video cards for decent prices, if I can either
>> replace my single card with two identical two-port X1 cards, or just add
>> a single X1 video card to what I already have and get triple head.
>>
>
> I am not sure there are any cards in the market with support for more
> than 2 monitors. If that is true SLI is your only option. And as far
> as I know SLI is only supported by the proprietary drivers. You might
> want to check up on that before you invest on another card.
>
>
Uhh, no, SLI has little to nothing to do with multiple monitor support..
We do 3 monitor systems, using 2 dual DVI Nvidia cards with the proprietary driver for a medical device, works fine.
The only "trick" is finding the proper BusID for your cards.
Here's a working xorg.conf for a 3 headed monitor setup, on CentOS 5, using Nvidia's proprietary drivers..
# Xorg configuration
Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "Screen0" 0 0
Screen 1 "Screen1" RightOf "Screen0"
Screen 2 "Screen2" LeftOf "Screen0"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
Option "Clone" "off"
Option "Xinerama" "on"
EndSection
Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection
Section "Monitor"
### Comment all HorizSync and VertSync values to use DDC:
# Option "DPMS"
### Comment all HorizSync and VertSync values to use DDC:
### Comment all HorizSync and VertSync values to use DDC:
Identifier "Monitor0"
VendorName "DELL"
ModelName "P1130"
### Comment all HorizSync and VertSync values to use DDC:
HorizSync 28.0 - 133.0
VertRefresh 43.0 - 172.0
EndSection
Section "Monitor"
### Comment all HorizSync and VertSync values to use DDC:
# Option "DPMS"
### Comment all HorizSync and VertSync values to use DDC:
### Comment all HorizSync and VertSync values to use DDC:
Identifier "Monitor1"
VendorName "DELL"
ModelName "P1130"
### Comment all HorizSync and VertSync values to use DDC:
HorizSync 28.0 - 133.0
VertRefresh 43.0 - 172.0
EndSection
Section "Monitor"
### Comment all HorizSync and VertSync values to use DDC:
# Option "DPMS"
### Comment all HorizSync and VertSync values to use DDC:
### Comment all HorizSync and VertSync values to use DDC:
Identifier "Monitor2"
VendorName "DELL"
ModelName "P1130"
### Comment all HorizSync and VertSync values to use DDC:
HorizSync 28.0 - 133.0
VertRefresh 43.0 - 172.0
EndSection
Section "Device"
Identifier "Videocard0"
Driver "nvidia"
VendorName "NVidia"
BoardName "GeForce 7600 GT"
BusID "1:0:0"
EndSection
Section "Device"
Identifier "Videocard1"
Driver "nvidia"
VendorName "NVidia"
BoardName "GeForce 7600 GT"
BusID "1:0:0"
Screen 1
EndSection
Section "Device"
Identifier "Videocard2"
Driver "nvidia"
VendorName "NVidia"
BoardName "GeForce 7600 GT"
BusID "2:0:0"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
Section "Screen"
Identifier "Screen1"
Device "Videocard1"
Monitor "Monitor1"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
Section "Screen"
Identifier "Screen2"
Device "Videocard2"
Monitor "Monitor2"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
--
Don Krause
Head Systems Geek,
Waver of Deceased Chickens.
Optivus Proton Therapy, Inc.
P.O. Box 608
Loma Linda, California 92354
909.799.8327 Tel
909.799.8366 Fax
dkrause@xxxxxxxxxxx
www.optivus.com
"This message represents the official view of the voices in my head."
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