Re: Dual head with two cards?

[dsr@tao.merseine.nu]

On Sat, Jan 05, 2002 at 10:24:04PM -0400, William Burrow wrote:
> Is it technically possible to construct a dual head machine by using two
> video cards (say a PCI and AGP card)?  Any tips where to look?

Yes. You need XFree86 4 or later, and you want to read their documentation.

>From my dual head (Matrox and Matrox) machine:

Section "Device"
    Identifier  "MGA AGP"
    Driver      "mga"
    VideoRam    8192
    BusID "PCI:1:0:0"
    # Insert Clocks lines here if appropriate
EndSection

Section "Device"
    Identifier  "MGA PCI"
    Driver      "mga"
    VideoRam    8192
    BusID "PCI:0:10:0"
    # Insert Clocks lines here if appropriate
EndSection

Section "Screen"

    Identifier  "Screen2"
    Device      "MGA AGP"
    Monitor     "Monitor2"
    DefaultDepth 24
    Subsection "Display"
        Depth       24
        Modes       "1024x768" "1280x1024" "1600x1200"
        ViewPort    0 0
    EndSubsection
EndSection
Section "Screen"
    Identifier  "Screen1"
    Device      "MGA PCI "
    Monitor     "Monitor1"
    DefaultDepth 24
    Subsection "Display"
        Depth       24
        Modes       "1024x768" "1280x1024" "1600x1200"
        ViewPort    0 0
    EndSubsection
EndSection
Section "ServerLayout"
    Identifier "dual"
    Screen "Screen1"
    Screen "Screen2" RightOf "Screen1"
    InputDevice "Keyboard1" "CoreKeyboard"
    InputDevice "Mouse1" "CorePointer"
EndSection


hope that helps...

-dsr-