Ah, dimenticavo,

questo è il mio xorg.conf

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# File generated by XFdrake (rev 142098)

# **********************************************************************
# Refer to the xorg.conf man page for details about the format of
# this file.
# **********************************************************************

Section "Files"
# font server independent of the X server to render fonts.
FontPath "unix/:-1"

# minimal fonts to allow X to run without xfs
FontPath "/usr/share/fonts/misc:unscaled"
EndSection

Section "ServerFlags"
#DontZap # disable <Crtl><Alt><BS> (server abort)
#DontZoom # disable <Crtl><Alt><KP_+>/<KP_-> (resolution switching)
AllowMouseOpenFail # allows the server to start up even if the mouse does not work
EndSection

Section "Module"
Load "dbe" # Double-Buffering Extension
Load "v4l" # Video for Linux
Load "extmod"
Load "type1"
Load "freetype"
Load "glx" # 3D layer
Load "dri" # direct rendering
EndSection

Section "InputDevice"
Identifier "Keyboard1"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "it"
Option "XkbOptions" "compose:rwin"
EndSection

Section "InputDevice"
Identifier "Mouse1"
Driver "mouse"
Option "Protocol" "ExplorerPS/2"
Option "Device" "/dev/mouse"
EndSection

Section "InputDevice"
Identifier "SynapticsMouse1"
Driver "synaptics"
Option "SHMConfig" "on"
EndSection

Section "Monitor"
Identifier "monitor1"
HorizSync 31.5-53
VertRefresh 46-66

# Monitor preferred modeline (60.0 Hz vsync, 49.4 kHz hsync, ratio 16/10)
ModeLine "1280x800" 71.11 1280 1328 1360 1440 800 802 808 823 -hsync -vsync

# TV fullscreen mode or DVD fullscreen output.
# 768x576 @ 79 Hz, 50 kHz hsync
ModeLine "768x576" 50.00 768 832 846 1000 576 590 595 630

# 768x576 @ 100 Hz, 61.6 kHz hsync
ModeLine "768x576" 63.07 768 800 960 1024 576 578 590 616
EndSection

Section "Device"
Identifier "device1"
VendorName "ATI Technologies Inc"
BoardName "ATI Radeon X1300 - X1950"
Driver "fglrx"
Option "DPMS"
Option "FSAAMSPosY1" "0.000000"
Option "FSAAMSPosY1" "0.000000"
Option "StereoSyncEnable" "1"
Option "StereoSyncEnable" "1"

# === disable PnP Monitor ===
#Option "NoDDC"
Option "FSAAMSPosX5" "0.000000"
Option "FSAAMSPosX5" "0.000000"
Option "FSAAMSPosY4" "0.000000"
Option "FSAAMSPosY4" "0.000000"
Option "FSAAMSPosX2" "0.000000"
Option "FSAAMSPosX2" "0.000000"
Option "FSAAMSPosX4" "0.000000"
Option "FSAAMSPosX4" "0.000000"
Option "FSAAMSPosY0" "0.000000"
Option "FSAAMSPosY0" "0.000000"
Option "FSAADisableGamma" "no"
Option "FSAADisableGamma" "no"

# === Video Overlay for the Xv extension ===
Option "VideoOverlay" "on"
Option "VideoOverlay" "on"
Option "ForceGenericCPU" "no"
Option "ForceGenericCPU" "no"
Option "GammaCorrectionII" "0x00000000"
Option "GammaCorrectionII" "0x00000000"
Option "VRefresh2" "unspecified"
Option "VRefresh2" "unspecified"
Option "FSAAMSPosY5" "0.000000"
Option "FSAAMSPosY5" "0.000000"
Option "CenterMode" "off"
Option "CenterMode" "off"
Option "IgnoreEDID" "off"
Option "IgnoreEDID" "off"

# === OpenGL Overlay ===
# Note: When OpenGL Overlay is enabled, Video Overlay
# will be disabled automatically
Option "OpenGLOverlay" "off"
Option "OpenGLOverlay" "off"
Option "FSAACustomizeMSPos" "no"
Option "FSAACustomizeMSPos" "no"

# === FSAA ===
Option "FSAAScale" "1"
Option "FSAAScale" "1"

# === FireGL DDX driver module specific settings ===
# === Screen Management ===
Option "DesktopSetup" "0x00000000"
Option "DesktopSetup" "0x00000000"
Option "HSync2" "unspecified"
Option "HSync2" "unspecified"
Option "TVHStartAdj" "0"
Option "TVHStartAdj" "0"
Option "FSAAMSPosX0" "0.000000"
Option "FSAAMSPosX0" "0.000000"
Option "no_dri" "no"
Option "no_dri" "no"
Option "GammaCorrectionI" "0x00000000"
Option "GammaCorrectionI" "0x00000000"
Option "FSAAMSPosX1" "0.000000"
Option "FSAAMSPosX1" "0.000000"
Option "UseInternalAGPGART" "no"
Option "UseInternalAGPGART" "no"
Option "BlockSignalsOnLock" "on"
Option "BlockSignalsOnLock" "on"
Option "MonitorLayout" "AUTO, AUTO"
Option "MonitorLayout" "AUTO, AUTO"

# === disable/enable XAA/DRI ===
Option "no_accel" "no"
Option "no_accel" "no"

# === Misc Options ===
Option "UseFastTLS" "0"
Option "UseFastTLS" "0"
Option "FSAAMSPosY3" "0.000000"
Option "FSAAMSPosY3" "0.000000"

# === OpenGL specific profiles/settings ===
Option "Capabilities" "0x00000000"
Option "Capabilities" "0x00000000"
Option "TVStandard" "NTSC-M"
Option "TVStandard" "NTSC-M"
Option "TVVPosAdj" "0"
Option "TVVPosAdj" "0"
Option "TVColorAdj" "0"
Option "TVColorAdj" "0"
Option "FSAAMSPosY2" "0.000000"
Option "FSAAMSPosY2" "0.000000"

# === TV-out Management ===
Option "NoTV" "yes"
Option "NoTV" "yes"
Option "TVHSizeAdj" "0"
Option "TVHSizeAdj" "0"
Option "TVHPosAdj" "0"
Option "TVHPosAdj" "0"
Option "ScreenOverlap" "0"
Option "ScreenOverlap" "0"

# === QBS Support ===
Option "Stereo" "off"
Option "Stereo" "off"
Option "FSAAMSPosX3" "0.000000"
Option "FSAAMSPosX3" "0.000000"
Option "TVVSizeAdj" "0"
Option "TVVSizeAdj" "0"
EndSection

Section "Screen"
Identifier "screen1"
Device "device1"
Monitor "monitor1"
DefaultColorDepth 24

Subsection "Display"
Depth 8
Modes "1024x768" "832x624" "800x600" "640x480" "480x360" "320x240"
EndSubsection

Subsection "Display"
Depth 15
Modes "1024x768" "832x624" "800x600" "640x480" "480x360" "320x240"
EndSubsection

Subsection "Display"
Depth 16
Modes "1024x768" "832x624" "800x600" "640x480" "480x360" "320x240"
EndSubsection

Subsection "Display"
Depth 24
Modes "1024x768" "832x624" "800x600" "640x480" "480x360" "320x240"
EndSubsection
EndSection

Section "ServerLayout"
Identifier "layout1"
InputDevice "Keyboard1" "CoreKeyboard"
InputDevice "Mouse1" "CorePointer"
InputDevice "SynapticsMouse1" "AlwaysCore"
Screen "screen1"
EndSection