20 EUR reward (PayPal) to the person who can get my external VGA to work properly

[Alex Deucher]

On 6/5/07, Pierre Bauduin <pierre at baudu.in> wrote:
> 2007/6/5, Zhengpeng Hou <zhengpeng-hou at ubuntu.com>:
> > Section "Device"
> >         Identifier      "ATI Technologies Inc M11 NV [FireGL Mobility
> T2e]"
> >         Driver          "radeon"
> >         BusID           "PCI:0:16:0"
> >         Option          "MergedFB" "true"
> > #       Option          "UseFBDev"              "true"
> >         Option          "ColorTiling"           "on"
> >         Option          "XAANoOffscreenPixmaps"
> >         Option          "AGPMode"               "4"
> >         Option          "AGPFastWrite"           "true"
> >         Option          "EnablePageFlip"        "true"
> >         Option          "UseInternalAGPGART"    "no"
> > #       Option          "RenderAccel"           "true"
> >         Option          "UseFWPLL"              "true"
> >         Option          "EnableDepthMoves"      "true"
> >         Option          "backingStore"           "true"
> >         Option          "DynamicClocks"          "on"
> > #        Option          "MetaModes" "1280x854
> 1280x854-1280x1024"
> > #       Option          "MergedDPI" "100 100"
> > #        Option          "CRT2Position" "LeftOf"
> >         Option           "MonitorLayout" "LCD, CRT"
> > EndSection
> >
> > Section "Monitor"
> >         Identifier      "COLOR LCD"
> >         Option          "DPMS"
> > Option "LVDS"
> > EndSection
> >
> > Section "Monitor"
> >         Identifier "EXTERNAL"
> >         Option "VGA"
> > #       HorizSync 30-82
> > #       VertRefresh 56-75
> > EndSection
> >
> > I'm using kubuntu gutsy, with above configure, I can have my ibook G4
> > work with external VGA
> >
>
> Yes, it worked !
> You have just earned 20 EUR :)
>
> Now my external VGA display finally works properly in both Mac OS X and
> Debian GNU/Linux 4.0
> Here's the detailed information:
>  http://pierre.baudu.in/ibook/#external_vga_output
>
> Perhaps a dumb question but...
> I don't need the external vga ouput all the time. In fact I only need it
> when I make presentations with a beamer, that is once every three months.
> Should I keep using the xorg.conf with the external VGA output defined even
> if I don't need it ?
> Will it "suck" more energy from the battery if I leave the VGA ouput enabled
> in xorg.conf ?

Leaving the DAC enabled will draw more power.  If you want to try the
randr-1.2 branch of the radeon driver, it allows you to turn outputs
on and off on the fly and even switch between dualhead and single head
on the fly.  It requires a newer X server and xrandr however.

Alex