после минимальной инсталяции лубунту пытаюсь настроить видеокарту, разрешение выставил так(скопировал с форума)
но теперь тормозит жутко прорисовка окон
как победить?
# 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" "us"
EndSection
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
EndSection
Section "Device"
Identifier "Configured Video Device"
Boardname "Matrox Millennium G400 DualHead"
Busid "PCI:1:0:0"
Driver "mga"
Screen 0
Vendorname "Matrox"
EndSection
Section "Monitor"
Identifier "Configured Monitor"
Vendorname "Samsung"
Modelname "Samsung SyncMaster 206BW (Analog)"
Horizsync 30-81
Vertrefresh 56-75
modeline "800x600@56" 36.0 800 824 896 1024 600 601 603 625 +hsync +vsync
modeline "800x600@72" 50.0 800 856 976 1040 600 637 643 666 +hsync +vsync
modeline "800x600@75" 49.5 800 816 896 1056 600 601 604 625 +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@75" 107.21 1280 1360 1496 1712 800 801 804 835 -hsync +vsync
modeline "1280x768@75" 102.98 1280 1360 1496 1712 768 769 772 802 -hsync +vsync
modeline "1280x800@60" 83.46 1280 1344 1480 1680 800 801 804 828 -hsync +vsync
modeline "1440x900@75" 136.49 1440 1536 1688 1936 900 901 904 940 -hsync +vsync
modeline "1440x900@60" 106.47 1440 1520 1672 1904 900 901 904 932 -hsync +vsync
modeline "1600x1024@60" 136.36 1600 1704 1872 2144 1024 1025 1028 1060 -hsync +vsync
modeline "1680x1050@60" 147.14 1680 1784 1968 2256 1050 1051 1054 1087 -hsync +vsync
modeline "1920x1200@60" 193.16 1920 2048 2256 2592 1200 1201 1204 1242 -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 1920 1200
Modes "1920x1200@60" "1680x1050@60" "1600x1024@60" "1440x900@60" "1440x900@75" "1280x800@60" "1280x768@75" "1280x800@75" "1280x720@60" "1280x768@60" "800x600@60" "800x600@75" "800x600@72" "800x600@56"
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Default Layout"
screen 0 "Default Screen" 0 0
EndSection
Section "Module"
Load "glx"
Load "GLcore"
Load "dri"
Load "v4l"
EndSection
Section "device" #
Identifier "device1"
Boardname "Matrox Millennium G400 DualHead"
Busid "PCI:1:0:0"
Driver "mga"
Screen 1
Vendorname "Matrox"
EndSection
Section "screen" #
Identifier "screen1"
Device "device1"
Defaultdepth 24
Monitor "monitor1"
EndSection
Section "monitor" #
Identifier "monitor1"
Gamma 1.0
EndSection
Section "ServerFlags"
Option "IgnoreABI" "True"
EndSection