Radeon FireMV 2400 PC Quad head card

[Erwin Rol]

Hello all,

with Benjamins latest patches i can start Xorg on my quad head card
without hanging my machine. Console Switching also seems to work
normally with this card.

What i am trying now is to get all 4 heads to be one big xinerama setup.
The card shows up as 2 M9 chips, both with two outputs.  I tried several
combinations but it always seems monitor 1 and 2 are cloned and monitor
3 and 4 are. I can't get the 4 monitors to show different pictures. The
mouse on the other hand seems to think there are 4 screens, because when
it leaves monitor 1/2 it does not show up on monitor 3/4 , it takes some
mouse moving before it gets to monitor 3/4. 

I must say i find the xorg.conf file format a bit strange, but all the
examples i found, only used one Screen and Device section for dual head
setups. So it could very well be that it is just a config error. 

Attached my xorg.conf and Xorg.0.log, any hints are welcome.

- Erwin

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Section "ServerLayout"
	Identifier     "Multihead layout"
	Screen         "ScreenA"
	Screen         "ScreenB" RightOf "ScreenA"
	InputDevice    "Mouse0" "CorePointer"
	InputDevice    "Keyboard0" "CoreKeyboard"
	Option	       "Xinerama" "on"
	Option         "Clone" "off"
EndSection

Section "Files"
	FontPath     "unix/:7100"
EndSection

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

Section "InputDevice"
	Identifier  "Keyboard0"
	Driver      "kbd"
	Option	    "XkbModel" "pc105"
	Option	    "XkbLayout" "us"
EndSection

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

Section "Monitor"
	Identifier   "Monitor"
	VendorName   "Monitor Vendor"
	ModelName    "PHILIPS 109B"
	DisplaySize  360	270
	HorizSync    30.0 - 97.0
	VertRefresh  50.0 - 160.0
	Option	    "dpms"
EndSection

Section "Device"
	Identifier  "PlugA"
	Driver      "radeon"
	VendorName  "Videocard Vendor"
	BoardName   "ATI Technologies Inc Radeon R250 Lf [FireGL 9000]"
	BusID       "PCI:2:1:0"
        Option      "MonitorLayout" "CRT, CRT"
	Option      "MergedFB" "on"
	Option      "BusType" "PCI"
	Option      "MetaModes" "1280x1024-1280x1024"
	Option      "MergedXinerama" "off"
	Option      "CRT2HSync"    "30.0-97.0"
	Option      "CRT2VRefresh" "50.0-160.0"
	Option      "CRT2Position" "RightOf"
	Option      "ColorTiling" "off"
	Option      "UseFBDev" "no"
EndSection

Section "Device"
	Identifier  "PlugB"
	Driver      "radeon"
	VendorName  "Videocard Vendor"
	BoardName   "ATI Technologies Inc Radeon R250 Lf [FireGL 9000]"
	BusID       "PCI:2:5:0"
        Option      "MonitorLayout" "CRT, CRT"
	Option      "MergedFB" "on"
	Option      "BusType" "PCI"
	Option      "MetaModes" "1280x1024-1280x1024"
	Option      "MergedXinerama" "off"
	Option      "CRT2HSync"    "30.0-97.0"
	Option      "CRT2VRefresh" "50.0-160.0"
	Option      "CRT2Position" "RightOf"
	Option      "ColorTiling" "off"
	Option      "UseFBDev" "no"
EndSection

Section "Screen"
	Identifier "ScreenA"
	Device     "PlugA"
	Monitor    "Monitor"
	DefaultDepth     24
	SubSection "Display"
		Virtual   2560 1024
		Viewport  0 0
		Depth     24
		Modes    "1280x1024"
	EndSubSection
EndSection

Section "Screen"
	Identifier "ScreenB"
	Device     "PlugB"
	Monitor    "Monitor"
	DefaultDepth     24
	SubSection "Display"
		Virtual   2560 1024
		Viewport  0 0
		Depth     24
		Modes    "1280x1024"
	EndSubSection
EndSection

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