arch分辨率上不去？

[dzers]

我的是ati x1600显卡，19的液晶，ati的驱动已经安装了，图型下怎么也上不到1400x900。我的配置文件如下:

代码： 全选

Section "InputDevice"
        Identifier      "Generic Keyboard"
        Driver          "kbd"
        Option          "CoreKeyboard"
        Option          "XkbRules"      "xorg"
        Option          "XkbModel"      "pc104"
        Option          "XkbLayout"     "us"
EndSection

Section "InputDevice"
        Identifier      "Configured Mouse"
        Driver          "mouse"
        Option          "CorePointer"
        Option          "Device"                "/dev/input/mice"
        Option          "Protocol"              "ImPS/2"
        Option          "Emulate3Buttons"       "true"
EndSection

Section "Device"
        Identifier      "ATI X1600"
        Driver          "fglrx"
        BusID           "PCI:1:0:0"
        Option          "VideoOverlay"      "on"
        Option          "OpenGLOverlay"     "off"
EndSection

Section "Monitor"
        Identifier      "Benq FP92W"
        Option          "DPMS"
        HorizSync       30-83
        VertRefresh     56-76
EndSection

Section "Screen"
        Identifier      "Default Screen"
        Device          "ATI X1600"
        Monitor         "Benq FP92W"
        DefaultDepth    24


        SubSection "Display"
                Viewport   0 0
                Depth     1
        EndSubSection
        SubSection "Display"
                Viewport   0 0
                Depth     4
        EndSubSection
        SubSection "Display"
                Viewport   0 0
                Depth     8
        EndSubSection
        SubSection "Display"
                Viewport   0 0
                Depth     15
        EndSubSection
        SubSection "Display"
                Viewport   0 0
                Depth     16
        EndSubSection
        SubSection "Display"
                Viewport  0 0 
                Depth     24
        EndSubSection
EndSection



Section "ServerLayout"
        Identifier      "Default Layout"
        Screen          "Default Screen"
        InputDevice     "Generic Keyboard"
        InputDevice     "Configured Mouse"
EndSection

Section "DRI"
        Mode    0666
EndSection

Section "Extensions"
        Option  "Composite" "0"
EndSection

Section "ServerFlags"
        Option  "AIGLX" "off"
EndSection

[wrfwsh]

SubSection "Display"
Depth 16
Modes "1280x1024" "1024x768" "800x600"
EndSubSection



you known

[cnshzj007]

Depth 24