Here are the important bits. *do not * use this, modify it. The bus id for
your card may well be different. Remember you cannot use Xinerama and 3d
accel together, choose one or the other.
# XF86Config-4
#Uncomment for Xinerama
#Section "ServerFlags"
# Option "Xinerama" "yes"
#EndSection
Section "InputDevice"
Identifier "Keyboard_0"
Driver "keyboard"
Option "CoreKeyboard"
Option "XkbRules" "xfree86"
Option "XkbModel" "pc102"
Option "XkbLayout" "gb"
EndSection
Section "InputDevice"
Identifier "Mouse_0"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/psaux"
Option "Protocol" "IMPS/2"
Option "ZAxisMapping" "4 5"
EndSection
Section "Device"
Identifier "Card_0"
Driver "mga"
VendorName "Matrox"
BoardName "MGA G400 AGP"
BusID "PCI:1:5:0"
Screen 0
EndSection
Section "Device"
Identifier "Card_1"
Driver "mga"
VendorName "Matrox"
BoardName "MGA G400 AGP"
BusID "PCI:1:5:0"
Screen 1
EndSection
Section "Monitor"
Identifier "Monitor_0"
VendorName "Sony"
ModelName "CPD-17F23"
HorizSync 31.5-64
VertRefresh 50-120
EndSection
Section "Monitor"
Identifier "Monitor_1"
VendorName "Packard-Bell"
ModelName "PB8539VG"
HorizSync 31.5
VertRefresh 60-70
EndSection
Section "Screen"
Identifier "Screen_0"
Device "Card_0"
Monitor "Monitor_0"
DefaultDepth 16
SubSection "Display"
Depth 16
Modes "1024x768"
EndSubSection
EndSection
Section "Screen"
Identifier "Screen_1"
Device "Card_1"
Monitor "Monitor_1"
DefaultDepth 16
SubSection "Display"
Depth 16
Modes "640x480"
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Default Layout"
Screen "Screen_0"
Screen "Screen_1" RightOf "Screen_0"
InputDevice "Keyboard_0"
InputDevice "Mouse_0"
EndSection
# end of XF86Config
Paul Mackinney wrote:
> Hi,
>
> I have a 16 MB dual-head Matrox G400 and a spare 15" monitor, currently
> running X at 1152x864 w/24 bit depth on my main 17" display. I'm having
> trouble finding documentation for configuring the second head.
>
> I'm running Blackbox on Debian GNU/Linux with a custom kernel to support
> the Matrox frame buffer, XFree86 Version 4.1.0.1 / X Window System. The
> XF86Config-4 man page has some good examples for setting up multiple
> "Monitor" and "Screen" sections, but I'm confused about how to tell it
> to put the 17" Monitor on the primary head and the 15" Monitor on the
> second head.
>
> Pointers to the right docs and/or specific configuration examples
> appreciated. Here's the output from dmesg, which seems to indicate that
> the second screen buffer is being allocated.
>
> matroxfb: Matrox G400 (AGP) detected
> matroxfb: MTRR's turned on
> matroxfb: 1024x768x8bpp (virtual: 1024x16380)
> matroxfb: framebuffer at 0xD8000000, mapped to 0xce81f000, size 16777216
> Console: switching to colour frame buffer device 128x48
> fb0: MATROX VGA frame buffer device
> .
> .
> .
> i2c-core.o: adapter DDC:fb0 #0 on i2c-matroxfb registered as adapter 0.
> i2c-core.o: adapter DDC:fb0 #1 on i2c-matroxfb registered as adapter 1.
> i2c-core.o: adapter MAVEN:fb0 on i2c-matroxfb registered as adapter 2.
> i2c-core.o: driver maven registered.
> i2c-core.o: client [maven client] registered to adapter [MAVEN:fb0 on
> i2c-matrox
> fb](pos. 0).
> matroxfb_crtc2: secondary head of fb0 was registered as fb1
>
> TIA,
>
> Paul
--
Simon Hepburn.
