<configure>
...
    <x11>
      <color_depth config:type="integer">16</color_depth>
      <configure_x11 config:type="boolean">true</configure_x11>
      <display_manager>gdm</display_manager>
      <enable_3d config:type="boolean">true</enable_3d>
      <monitor>
        <display>
          <max_hsync config:type="integer">48</max_hsync>
          <max_vsync config:type="integer">90</max_vsync>
          <min_hsync config:type="integer">30</min_hsync>
          <min_vsync config:type="integer">50</min_vsync>
        </display>
        <monitor_device>DT-1536A</monitor_device>
        <monitor_vendor>DAYTEK</monitor_vendor>
      </monitor>
      <resolution>1024x768</resolution>
      <start_x11 config:type="boolean">true</start_x11>
      <window_manager>gnome</window_manager>
    </x11>

...
</configure>