PreferredMode is ignored?

[Adam K Kirchhoff]

I'm trying to figure out how to start up two monitors (both attached to a 
radeon x1300) at two different resolutions by default.  The DVI-0 monitor 
should start up at 1280x1024 and the VGA-0 monitor should be at 1152x864.  If 
I set my PreferredMode to 1280x1024 for both, they both start up at that 
resolution, in the correct location.  If I set the PreferredMode for VGA-0 
(and *just* VGA-0) to 1152x864, both monitors start up at 1152x864.   I can 
then use xrandr to increase the resolution on DVI-0 to 1280x1024. 

I'm attaching my xorg.conf and Xorg.0.log file.  Any advice would be greatly 
appreciated.

Adam





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Section "ServerLayout"
	Identifier     "X.org Configured"
	Screen      0  "ati" 0 0
	InputDevice    "Mouse0" "CorePointer"
	InputDevice    "Keyboard0" "CoreKeyboard"
	Option		"AIGLX" "on"
EndSection

Section "Monitor"
        Identifier "PF790"
        Modeline "1280x1024_75.00" 138.75  1280 1368 1504 1728  1024 1027 1034 1072 -hsync +vsync
	Modeline "1280x1024_60.00"  109.00  1280 1368 1496 1712  1024 1027 1034 1063 -hsync +vsync
	Modeline "1152x864_75.00"  104.00  1152 1224 1344 1536  864 867 871 905 -hsync +vsync
	Modeline "1152x864_60.00"   81.75  1152 1216 1336 1520  864 867 871 897 -hsync +vsync
        Option   "PreferredMode" "1152x864_60.00"
EndSection

Section "Monitor"
        Identifier "VA902b"
        Modeline "1280x1024_75.00" 138.75  1280 1368 1504 1728  1024 1027 1034 1072 -hsync +vsync
	Modeline "1280x1024_60.00"  109.00  1280 1368 1496 1712  1024 1027 1034 1063 -hsync +vsync
        Option   "PreferredMode" "1280x1024_60.00"
        Option "RightOf" "PF790"
EndSection

Section "Files"
	#RgbPath      "/usr/local/share/X11/rgb"
	ModulePath   "/usr/local/lib/xorg/modules"
	FontPath     "/usr/local/lib/X11/fonts/misc/"
	FontPath     "/usr/local/lib/X11/fonts/TTF/"
	FontPath     "/usr/local/lib/X11/fonts/OTF"
	FontPath     "/usr/local/lib/X11/fonts/Type1/"
	FontPath     "/usr/local/lib/X11/fonts/100dpi/"
	FontPath     "/usr/local/lib/X11/fonts/75dpi/"
EndSection

Section "Module"
	Load  "extmod"
	#Load  "record"
	Load  "dbe"
	Load  "glx"
	Load  "GLcore"
	Load  "xtrap"
	Load  "dri"
	Load  "freetype"
	Load  "type1"
EndSection

Section "InputDevice"
	Identifier  "Keyboard0"
	Driver      "kbd"
EndSection

Section "InputDevice"
	Identifier  "Mouse0"
	Driver      "mouse"
	Option	    "Protocol" "auto"
	Option	    "Device" "/dev/sysmouse"
	Option	    "ZAxisMapping" "4 5 6 7"
EndSection

Section "Device"
	Identifier  "ati"
	Driver      "radeon"
	VendorName  "ATI Technologies Inc"
	BoardName   "R480 [Radeon X850XT Platinum (PCIE)]"
	BusID       "PCI:1:0:0"
	Option      "XAANoOffscreenPixmaps" "true"
	Option      "EXANoOffscreenPixmaps" "true"
	Option        "AccelMethod" "EXA"
	Option        "AccelDFS" "on"
	Option        "EnableDepthMoves" "on"
	#Option        "MigrationHeuristic" "greedy"
	Option        "RenderAccel" "enabled"
	Option      "GARTSize" "32"
        Option          "monitor-VGA-0" "PF790"
        Option          "monitor-DVI-0" "VA902b"
EndSection

Section "Screen"
	Identifier "ati"
	Device     "ati"
	Monitor    "Monitor0"
	DefaultDepth	24
	SubSection "Display"
		Viewport   0 0
		Depth     24	
		Virtual	  2560 2560
	EndSubSection
EndSection

Section "Extensions"
    Option      "Composite" "on"
EndSection