[SLUG] dual-heads/xinerama

From: michael hast (evylrobot19@cox.net)
Date: Mon Mar 06 2006 - 23:19:21 EST


Okay, all!

    I have successfully installed the nvidia drivers and am currently
running the box that way. The 3D accelleration works well, and my color
and all that looks really good. I know what I didn't do right in the
first place, and now, I'm sure I could install the drivers again if I
need to. Still, I'm getting a little gunshy, and not wanting to crash X
any more than I absolutely have to to make the learning experience a
success. So, here we go:
    Does anyone know of any really good online tutorials that will walk
me through setting up the dual-head display and xinerama? The
configuration file doesn't look all that daunting, and the syntax is
simple enough, but I'm scared of crashing X again.
    How do I determine the bus ID for my AGP slot, and what is the
proper syntax according to X, and how do I tell it the difference
between the two ports on the card?
    Is there an app or tool that I can use that will make it really easy
to set up, or is proper manual writing really the only way to do it?
    For reference, I'm running Debian 3.1, kernel 2.6.8-2, and here is
my config file if you would like to give me specific pointers. I
promise that if I screw it up, I won't be mad at you. I appreciate the
help.

# XF86Config-4 (XFree86 X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the XF86Config-4 manual page.
# (Type "man XF86Config-4" at the shell prompt.)
#
# This file is automatically updated on xserver-xfree86 package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xfree86
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following commands as root:
#
# cp /etc/X11/XF86Config-4 /etc/X11/XF86Config-4.custom
# md5sum /etc/X11/XF86Config-4 >/var/lib/xfree86/XF86Config-4.md5sum
# dpkg-reconfigure xserver-xfree86

Section "Files"
        FontPath "unix/:7100" # local font server
        # if the local font server has problems, we can fall back on these
        FontPath "/usr/lib/X11/fonts/misc"
        FontPath "/usr/lib/X11/fonts/cyrillic"
        FontPath "/usr/lib/X11/fonts/100dpi/:unscaled"
        FontPath "/usr/lib/X11/fonts/75dpi/:unscaled"
        FontPath "/usr/lib/X11/fonts/Type1"
        FontPath "/usr/lib/X11/fonts/CID"
        FontPath "/usr/lib/X11/fonts/Speedo"
        FontPath "/usr/lib/X11/fonts/100dpi"
        FontPath "/usr/lib/X11/fonts/75dpi"
EndSection

Section "Module"
        Load "GLcore"
        Load "bitmap"
        Load "dbe"
        Load "ddc"
        Load "dri"
        Load "extmod"
        Load "freetype"
        Load "glx"
        Load "int10"
        Load "record"
        Load "speedo"
        Load "type1"
        Load "vbe"
EndSection

Section "InputDevice"
        Identifier "Generic Keyboard"
        Driver "keyboard"
        Option "CoreKeyboard"
        Option "XkbRules" "xfree86"
        Option "XkbModel" "pc104"
        Option "XkbLayout" "us"
EndSection

Section "InputDevice"
        Identifier "Configured Mouse"
        Driver "mouse"
        Option "CorePointer"
        Option "Device" "/dev/psaux"
        Option "Protocol" "ExplorerPS/2"
        Option "Emulate3Buttons" "true"
        Option "ZAxisMapping" "4 5"
EndSection

Section "Device"
        Identifier "Evga e-GeForce FX 5500"
        Driver "nvidia"
        VideoRam 256000
EndSection

Section "Monitor"
        Identifier "Mitsubishi Diamond Pro 91TXM"
        HorizSync 30-95
        VertRefresh 50-152
        Option "DPMS"
EndSection

Section "Screen"
        Identifier "Default Screen"
        Device "Evga e-GeForce FX 5500"
        Monitor "Mitsubishi Diamond Pro 91TXM"
        DefaultDepth 24
        SubSection "Display"
                Depth 1
                Modes "1600x1200"
        EndSubSection
        SubSection "Display"
                Depth 4
                Modes "1600x1200"
        EndSubSection
        SubSection "Display"
                Depth 8
                Modes "1600x1200"
        EndSubSection
        SubSection "Display"
                Depth 15
                Modes "1600x1200"
        EndSubSection
        SubSection "Display"
                Depth 16
                Modes "1600x1200"
        EndSubSection
        SubSection "Display"
                Depth 24
                Modes "1600x1200"
        EndSubSection
EndSection

Section "ServerLayout"
        Identifier "Default Layout"
        Screen "Default Screen"
        InputDevice "Generic Keyboard"
        InputDevice "Configured Mouse"
EndSection

Section "DRI"
        Mode 0666
EndSection

-- 
--Michael Hast  (the evyl robot)
I'm not picking my nose.  I'm pulling things out of it.

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