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Old 02-01-2006, 01:04 PM   #1
tharp
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Registered: Feb 2006
Posts: 1

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Question dual monitors


As a newbie I would like to ask if (and how) I can simply edit my XF86config file in order to enable the use of dual monitors. (Or is there more to it than that?)

I am running RHEL v3.0 and using an Nvidia Quadro graphics card which has both a digital and an analogue outputs which I would like to use.

The current XF86config file looks like:

# XFree86 4 configuration created by redhat-config-xfree86

Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "DevInputMice" "AlwaysCore"
EndSection

Section "Files"

# RgbPath is the location of the RGB database. Note, this is the name of the
# file minus the extension (like ".txt" or ".db"). There is normally
# no need to change the default.
# Multiple FontPath entries are allowed (they are concatenated together)
# By default, Red Hat 6.0 and later now use a font server independent of
# the X server to render fonts.
RgbPath "/usr/X11R6/lib/X11/rgb"
FontPath "unix/:7100"
EndSection

Section "Module"
Load "dbe"
Load "extmod"
Load "fbdevhw"
Load "glx"
Load "record"
Load "freetype"
Load "type1"
Load "dri"
EndSection

Section "InputDevice"

# Specify which keyboard LEDs can be user-controlled (eg, with xset(1))
# Option "Xleds" "1 2 3"
# To disable the XKEYBOARD extension, uncomment XkbDisable.
# Option "XkbDisable"
# To customise the XKB settings to suit your keyboard, modify the
# lines below (which are the defaults). For example, for a non-U.S.
# keyboard, you will probably want to use:
# Option "XkbModel" "pc102"
# If you have a US Microsoft Natural keyboard, you can use:
# Option "XkbModel" "microsoft"
#
# Then to change the language, change the Layout setting.
# For example, a german layout can be obtained with:
# Option "XkbLayout" "de"
# or:
# Option "XkbLayout" "de"
# Option "XkbVariant" "nodeadkeys"
#
# If you'd like to switch the positions of your capslock and
# control keys, use:
# Option "XkbOptions" "ctrl:swapcaps"
# Or if you just want both to be control, use:
# Option "XkbOptions" "ctrl:nocaps"
#
Identifier "Keyboard0"
Driver "keyboard"
Option "XkbRules" "xfree86"
Option "XkbModel" "pc105"
Option "XkbLayout" "gb"
EndSection

Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "IMPS/2"
Option "Device" "/dev/psaux"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "yes"
EndSection

Section "InputDevice"

# If the normal CorePointer mouse is not a USB mouse then
# this input device can be used in AlwaysCore mode to let you
# also use USB mice at the same time.
Identifier "DevInputMice"
Driver "mouse"
Option "Protocol" "IMPS/2"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "no"
EndSection

Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Dell E172FP"
HorizSync 31.0 - 80.0
VertRefresh 56.0 - 76.0
Option "dpms"
EndSection

Section "Device"
Identifier "Videocard0"
Driver "nv"
VendorName "Videocard vendor"
BoardName "NVIDIA Quadro FX (generic)"
VideoRam 131072
EndSection

Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 16
Modes "1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 8
Modes "1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
EndSubSection
EndSection

Section "DRI"
Group 0
Mode 0666
EndSection
 
Old 02-01-2006, 04:56 PM   #2
accessrichard
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Registered: Apr 2005
Distribution: Fedora Core (latest version)
Posts: 156

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Section "Device"
Identifier "Videocard0"
Driver "nvidia" ###make sure to install nvidia driver not generic nv driver
VendorName "Videocard vendor"
Option "TwinView" "yes"
Option "MetaModes" "1024x768,1024x768;800x600,800x600"
Option "ConnectedMonitor" "CRT-0, CRT-1"
Option "TwinViewOrientation" "CRT-0 LeftOf CRT-1"

Make sure to install the nvidia driver from a repo or from Nvidia. Then use the nvidia driver instead of the nv driver. Nvidia uses something called TwinView instead of Xinerama. All I do to add my second monitor is add the previous to my xorg.conf file.
 
Old 02-01-2006, 04:56 PM   #3
accessrichard
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Registered: Apr 2005
Distribution: Fedora Core (latest version)
Posts: 156

Rep: Reputation: 30
For some reason when I clicked the "Post quick reply" button, 2 identical posts were replied. Not being able to delete this second post, I write this.

Last edited by accessrichard; 02-01-2006 at 05:12 PM.
 
  


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