Hi,
I am trying to get multi-screen capability working with an nvidia/matrox
combination. I need 2 separate X screens ( :0.0 & :0.1 ), not xinerama or
twinview or anything like that.

Config:
Intel XEON 2.4 GHz
RH 7.3 (2.4.18-13 kernel, XFree86 4.2.0)
NV Quadro4 900 XGL (AGP)
Matrox G450 (PCI)

Screen 0 (Nvidia) works fine, but I can't get anything out of the Matrox
card no matter how I configure XF86. I'm getting no signal at all. I've
tested the Matrox by itself using Win2000, so I know that card is fine.
Below is a sample config file I have tried. Would I be better off using an
nvidia PCI card instead of trying to mix matrox/nvidia?

Any insight would be greatly appreciated. Thanks.



##########################################################################
# Sample XF86Config file for NVIDIA XFree86 drivers.
#
# Refer to the XF86Config(4/5) man page for details about the format of
# this file.
#
# Be sure to replace the monitor values with correct values for your
# monitor!
##########################################################################


Section "Files"

    RgbPath     "/usr/X11R6/lib/X11/rgb"
    #FontPath   "/usr/X11R6/lib/X11/fonts/local/"
    #FontPath   "/usr/X11R6/lib/X11/fonts/misc/"
    #FontPath   "/usr/X11R6/lib/X11/fonts/75dpi/:unscaled"
    #FontPath   "/usr/X11R6/lib/X11/fonts/100dpi/:unscaled"
    #FontPath   "/usr/X11R6/lib/X11/fonts/Type1/"
    #FontPath   "/usr/X11R6/lib/X11/fonts/75dpi/"
    #FontPath   "/usr/X11R6/lib/X11/fonts/100dpi/"

EndSection


##########################################################################
# Server flags section.
##########################################################################

Section "ServerFlags"

    # Uncomment this to cause a core dump at the spot where a signal is
    # received.  This may leave the console in an unusable state, but may
    # provide a better stack trace in the core dump to aid in debugging
    #NoTrapSignals

    # Uncomment this to disable the <Crtl><Alt><BS> server abort sequence
    # This allows clients to receive this key event.
    #DontZap

    # Uncomment this to disable the <Crtl><Alt><KP_+>/<KP_-> mode switching
    # sequences.  This allows clients to receive these key events.
    #DontZoom

    # This  allows  the  server  to start up even if the
    # mouse device can't be opened/initialised.
    AllowMouseOpenFail

EndSection


##########################################################################
# Input devices
##########################################################################

#
# Keyboard section
#
Section "InputDevice"

    Identifier "Keyboard1"
    Driver     "Keyboard"
    Option     "AutoRepeat"  "250 30"

    Option "XkbRules"  "xfree86"
        Option  "XkbModel"      "pc101"
        Option  "XkbLayout"     "us"

EndSection


#
# Pointer section
#
Section "InputDevice"

    Identifier  "Mouse1"
    Driver      "mouse"
    Option "Protocol"    "PS/2"
    Option "Device"      "/dev/mouse"

EndSection


##########################################################################
# Module section
##########################################################################

Section "Module"

    Load        "dbe"

    # Load the glx module.
    Load        "glx"

    Load        "extmod"

    Load        "type1"
    Load        "freetype"
EndSection


##########################################################################
# Monitor section
##########################################################################

Section "Monitor"

    Identifier    "Hewlett-Packard HP A4576A (P1100) 21-inch Display"
    VendorName "Mitsubisi"
    ModelName  "Diamond Plus 120u"

    # be sure to replace these values with values appropriate for your
    # monitor!
    HorizSync    30-107
    VertRefresh    50-160

EndSection


##########################################################################
# Graphics device section(s)
##########################################################################

Section "Device"
    Identifier "NV AGP"
    VendorName "nvidia"
    Driver "nvidia"
    # update this with the PCI id of your card.  Consult the output
    # of the 'lspci' command.
    BusID       "PCI:1:0:0"
    Screen 0
EndSection

Section "Device"
    Identifier "Matrox"
    VendorName "matrox"
    Driver "mga"
    # update this with the PCI id of your card.  Consult the output
    # of the 'lspci' command.
    BusID       "PCI:5:0:0"
    Option      "hw cursor" "off"
    Screen 1
EndSection

##########################################################################
# Screen sections
##########################################################################

#
# screen section for an nvidia AGP card
#
Section "Screen"
    Identifier "Screen AGP"
    Device      "NV AGP"
    Monitor      "Hewlett-Packard HP A4576A (P1100) 21-inch Display"
    DefaultDepth 24
        Subsection "Display"
                Depth   24
                Modes    "1280x1024"
                ViewPort        0 0
        EndSubsection
EndSection


#
# screen section for a matrox PCI card
#
Section "Screen"
    Identifier "Screen PCI"
    Device      "Matrox"
    Monitor      "Hewlett-Packard HP A4576A (P1100) 21-inch Display"
    DefaultDepth 24
        Subsection "Display"
                Depth   24
                Modes    "1280x1024" "1024x768" "800x600" "640x480"
                ViewPort        0 0
        EndSubsection
EndSection


##########################################################################
# ServerLayout sections
# (invoke using the '-layout' option of 'startx'.
##########################################################################

Section "ServerLayout"
    Identifier  "Server Layout"
    Screen      "Screen AGP"
    Screen      "Screen PCI" RightOf "Screen AGP"
    InputDevice "Mouse1" "CorePointer"
    InputDevice "Keyboard1" "CoreKeyboard"
EndSection




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