I installed them via the ATI-repositories.
Somewhy I believe, that it has something todo with the 2 screens I use… this is the xorg.conf of the last installation:
Section “Files”
FontPath “/usr/share/fonts/misc:unscaled”
FontPath “/usr/share/fonts/local”
FontPath “/usr/share/fonts/75dpi:unscaled”
FontPath “/usr/share/fonts/100dpi:unscaled”
FontPath “/usr/share/fonts/Type1”
FontPath “/usr/share/fonts/URW”
FontPath “/usr/share/fonts/Speedo”
FontPath “/usr/share/fonts/PEX”
FontPath “/usr/share/fonts/cyrillic”
FontPath “/usr/share/fonts/latin2/misc:unscaled”
FontPath “/usr/share/fonts/latin2/75dpi:unscaled”
FontPath “/usr/share/fonts/latin2/100dpi:unscaled”
FontPath “/usr/share/fonts/latin2/Type1”
FontPath “/usr/share/fonts/latin7/75dpi:unscaled”
FontPath “/usr/share/fonts/baekmuk:unscaled”
FontPath “/usr/share/fonts/japanese:unscaled”
FontPath “/usr/share/fonts/kwintv”
FontPath “/usr/share/fonts/truetype”
FontPath “/usr/share/fonts/uni:unscaled”
FontPath “/usr/share/fonts/CID”
FontPath “/usr/share/fonts/ucs/misc:unscaled”
FontPath “/usr/share/fonts/ucs/75dpi:unscaled”
FontPath “/usr/share/fonts/ucs/100dpi:unscaled”
FontPath “/usr/share/fonts/hellas/misc:unscaled”
FontPath “/usr/share/fonts/hellas/75dpi:unscaled”
FontPath “/usr/share/fonts/hellas/100dpi:unscaled”
FontPath “/usr/share/fonts/hellas/Type1”
FontPath “/usr/share/fonts/misc/sgi:unscaled”
FontPath “/usr/share/fonts/xtest”
FontPath “/opt/kde3/share/fonts”
InputDevices “/dev/gpmdata”
InputDevices “/dev/input/mice”
EndSection
Section “ServerFlags”
Option “AIGLX” “on”
Option “AllowMouseOpenFail” “on”
Option “IgnoreABI” “on”
Option “ZapWarning” “on”
EndSection
Section “Module”
Load “dbe”
Load “type1”
Load “freetype”
Load “extmod”
Load “glx”
Load “dri”
EndSection
Section “InputDevice”
Driver “evdev”
Identifier “Keyboard[0]”
Option “Pass” “3”
Option “Protocol” “Standard”
Option “XkbLayout” “de”
Option “XkbModel” “microsoftnek4k”
Option “XkbRules” “xfree86”
Option “XkbVariant” “nodeadkeys”
Option “evBits” “+1”
Option “keyBits” “~1-255 ~352-511”
EndSection
Section “InputDevice”
Driver “mouse”
Identifier “Mouse[1]”
Option “Buttons” “6”
Option “Device” “/dev/input/mice”
Option “Name” “Logitech Optical Mouse”
Option “Protocol” “explorerps/2”
Option “Vendor” “Sysp”
Option “ZAxisMapping” “4 5”
EndSection
Section “Monitor”
Option “CalcAlgorithm” “XServerPool”
DisplaySize 474 296
HorizSync 31-64
Identifier “Monitor[0]”
ModelName “1280X1024@60HZ”
Option “PreferredMode” “1280x1024”
VendorName “–> VESA”
VertRefresh 50-60
UseModes “Modes[0]”
EndSection
Section “Modes”
Identifier “Modes[0]”
Modeline “1680x1050” 119 1680 1728 1760 1840 1050 1053 1059 1080 -hsync +vsync
EndSection
Section “Screen”
DefaultDepth 24
SubSection “Display”
Depth 15
Modes “1280x1024” “1280x960” “1280x800” “1152x864” “1280x768” “1280x720” “1024x768” “1280x600” “1024x600” “800x600” “768x576” “640x480”
EndSubSection
SubSection “Display”
Depth 16
Modes “1280x1024” “1280x960” “1280x800” “1152x864” “1280x768” “1280x720” “1024x768” “1280x600” “1024x600” “800x600” “768x576” “640x480”
EndSubSection
SubSection “Display”
Depth 24
Modes “1280x1024” “1280x960” “1280x800” “1152x864” “1280x768” “1280x720” “1024x768” “1280x600” “1024x600” “800x600” “768x576” “640x480”
EndSubSection
SubSection “Display”
Depth 8
Modes “1280x1024” “1280x960” “1280x800” “1152x864” “1280x768” “1280x720” “1024x768” “1280x600” “1024x600” “800x600” “768x576” “640x480”
EndSubSection
Device “Device[0]”
Identifier “Screen[0]”
Monitor “Monitor[0]”
EndSection
Section “Device”
BoardName “Radeon X1950 Series (RV570 7280)”
Driver “fglrx”
Identifier “Device[0]”
Option “SaXDualHead”
Option “XAANoOffscreenPixmaps” “true”
Option “Capabilities” “0x00000000”
Option “SaXDualMode” “Xinerama”
Option “ForceMonitors” “auto,crt1”
Option “SaXDualHSync” “30-81”
Option “SaXDualMonitorModel” “SYNCMASTER 226BW”
Option “SaXDualVSync” “56-75”
Option “VRefresh2” “56-75”
Option “Mode2” “1680x1050,1600x1024,1600x1000,1400x1050,1280x1024,1440x900,1280x960,1366x768,1280x800,1152x864,1280x768,1280x720,1024x768,1280x600,1024x600,800x600,768x576,640x480”
Option “FSAAScale” “0”
Option “FSAAEnable” “off”
Option “VideoOverlay” “on”
Option “SaXDualMonitorVendor” “SAMSUNG”
Option “HSync2” “30-81”
Option “SaXDualResolution” “1680x1050”
Option “DesktopSetup” “Horizontal,Reverse”
Option “SaXDualOrientation” “RightOf”
Screen 0
VendorName “ATI”
EndSection
Section “ServerLayout”
Identifier “Layout[all]”
InputDevice “Keyboard[0]” “CoreKeyboard”
InputDevice “Mouse[1]” “CorePointer”
Option “Clone” “off”
Option “Xinerama” “off”
Screen “Screen[0]”
EndSection
Section “DRI”
Group “video”
Mode 0660
EndSection
Section “Extensions”
Option “Composite” “on”
EndSection