大家看看我的CONF文件1280*1024为什么显示5：4？

[wollfsun]

# xorg.conf (X.Org X Window System server configuration file)
#
# This file was generated by failsafeDexconf, using
# values from the debconf database and some overrides to use vesa mode.
#
# You should use dexconf or another such tool for creating a "real" xorg.conf
# For example:
# sudo dpkg-reconfigure -phigh xserver-xorg
Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "cn"
Option "XkbOptions" "lv3:ralt_switch"
EndSection

Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
EndSection

Section "Device"
Identifier "Configured Video Device"
Boardname "NVIDIA GeForce 7 Series"
Busid "PCI:0:16:0"
Driver "nvidia"
Screen 0
Vendorname "NVIDIA"
EndSection

Section "Monitor"
Identifier "Configured Monitor"
Vendorname "Generic LCD Display"
Modelname "LCD Panel 1280x1024"
Horizsync 31.5-64.0
Vertrefresh 56.0 - 65.0
modeline "800x600@56" 36.0 800 824 896 1024 600 601 603 625 +hsync +vsync
modeline "800x600@60" 40.0 800 840 968 1056 600 601 605 628 +hsync +vsync
modeline "1280x768@60" 80.14 1280 1344 1480 1680 768 769 772 795 -hsync +vsync
modeline "1280x720@60" 74.48 1280 1336 1472 1664 720 721 724 746 -hsync +vsync
modeline "1280x800@60" 83.46 1280 1344 1480 1680 800 801 804 828 -hsync +vsync
modeline "1440x900@60" 106.47 1440 1520 1672 1904 900 901 904 932 -hsync +vsync
modeline "1280x1024@60" 108.88 1280 1360 1496 1712 1024 1025 1028 1060 -HSync +Vsync
Gamma 1.0
EndSection

Section "Screen"
Identifier "Default Screen"
Device "Configured Video Device"
Monitor "Configured Monitor"
Defaultdepth 24
SubSection "Display"
Depth 24
Virtual 1280 1024
Modes "1280x1024@60" "1440x900@60" "1280x800@60" "1280x720@60" "1280x768@60" "800x600@60" "800x600@56"
EndSubSection
EndSection

Section "ServerLayout"
Identifier "Default Layout"
screen 0 "Default Screen" 0 0
EndSection
Section "Module"
Load "glx"
Load "GLcore"
Load "v4l"
EndSection
Section "ServerFlags"
EndSection


42液晶，弄了半天，终于弄出了1280*1024在NVIDIA设置中可以盾到为宽屏，但在调整分辨率中却显示5：4，严重变形。
请大们帮忙解决，谢谢。

[wollfsun]

继续求教。

[wollfsun]

[wollfsun]

继续求教。

[linee]

对啊，1280×1024就是5:4。