Radeon X1550 64-bit

[Raffaele Morelli <raffaele.morelli@gmail.com>]

Hi,

I have serious problem with  my ATI RV505 CE [Radeon X1550 64-bit], DE freezes randomly and I can't understand the reason. 
Here's my xorg.conf, any suggestion?

regads

Section "InputDevice"
        Identifier      "Generic Keyboard"
        Driver          "kbd"
        Option          "XkbRules"      "xorg"
        Option          "XkbModel"      "pc105"
        Option          "XkbLayout"     "it"
EndSection

Section "Module"

        #    Load  "GLcore"
        Load  "dbe"
        Load  "dri2"
        Load  "extmod"
        Load  "glx"
        Load  "record"
        Load  "xtrap"
        Load  "freetype"
        Load  "type1"
EndSection

Section "InputDevice"
        Identifier      "Configured Mouse"
        Driver          "mouse"
        Option        "Protocol" "auto"
        Option        "Device" "/dev/input/mice"
        Option        "ZAxisMapping" "4 5 6 7"
EndSection

Section "Device"
        Identifier      "Configured Video Device"
        Driver          "ati"
        #Driver         "radeon"
        #river          "vesa"
EndSection

Section "Monitor"
        Identifier      "Configured Monitor"
EndSection

Section "Screen"
        Identifier      "Default Screen"
        Monitor         "Configured Monitor"
        DefaultDepth     24
EndSection


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