Installing SXDE Build 64a in Parallels - Screen Resolution

The screen resolution is 1024x768 after the default installation. Need to change it to 1280x800 as the native resolution of the MacBook.

1. "cd /etc/X11"
2. "cp .xorg.conf xorg.conf"
3. "vi xorg.conf" so that

           Section "Monitor"
              ...
              UseModes "Modes0"
           EndSection
           Section "Screen"
              ...
              SubSection "Display"
                 Viewport 0 0
                 Depth 24
                 Modes "1280x800" "1024x768" "800x600" "640x480"
              EndSubSection
           EndSection
           Section "Modes"
              Identifier "Modes0"
              Modeline "1280x800" 104.3 280 1360 1496 1712 800 801 804 834 -Hsync +Vsync
           EndSection