[ltp] external DIGITAL monitor with ubuntu and intel i950 graphics

Volker Krueger linux-thinkpad@linux-thinkpad.org
Fri, 03 Apr 2009 13:43:04 +0200


no, xrandr does not detect the digital monitor. But don't feel obliged
to continue with my monitor problem.
You were already a big help! Thanks!
I will live for now with the analog, I guess.

ad P.S.
Really?!?!  This is amazing! haven't checked it, yet! That is good news!


axp wrote:
> Hi Volker,
>
> normally i'm using my 20" widescreen philips via analog, because the
> x301 has VGA with 15-pin D-sub connector and DP (Displayport with
> integrated audui [imho for the audio part]), to connect the x301 via
> digital i need an DP-DVI-Adapter which works quite well, but haveing to
> detach the plug everytime i move away from my workspace (the x301 has no
> good docking option) is annoying since the DP Connector seems a little
> bit fragile. so iam always going withe the VGA port.
> Personally i don't see any difference between VGA/DVI i guess it depends
> a lot on the Display and it's integrated electronics.
>
> However, i plugged my monitor in to the DP port to confirm that it's
> working.
>
> is your monitor detected by xrandr, if it is connected to the DVI Port.
> Bios settings shouldn matter much.
>
> so far,
> Ferdinand
>
> P.s.: Power Consumption withe Ubuntu 9.04 Beta is down to ~6W, without
> disabling DRI.
> Volker Krueger wrote:
>   
>> Hi Ferdinand,
>>
>> yes, I have the same graphicscard.
>>
>> Thanks for your input!!
>>
>> I just tried it and with the digitally connected monitor, it doesn't work.
>> In the bios I have as primary monitor the external one.
>> Under bootup, I see all messages on the external screen.
>> Once ubuntu has booted, all appeares on the internal screen while the
>> external is not visible anymore to the user, i.e., the little program
>> for changing the screen resolution does not see the external screen.
>>
>> BUT: The analog screen works now.  I can do everything I want, it seems,
>> with the little resolution chooser program if the external monitor is
>> analog.
>>
>> However, how about a digital monitor? The for eyes, the digital
>> connection is much better...
>>
>> best,
>> Volker
>>
>>
>>
>>
>> axp wrote:
>>   
>>     
>>> Volker Krueger wrote:
>>>   
>>>     
>>>       
>>>> Ahh, an add-on:
>>>>
>>>> I use the latest ubuntu intrepid and have now even updated to the newest
>>>> beta of the intrepid-successor.
>>>>
>>>> And one more thing: I hear that the problems with the external screen
>>>> are an i915 related problem. well, Suse has solved it, it seems, as
>>>> under Suse 11.1, things work out of the box...
>>>>
>>>> Anyway, there must be a solution :-)
>>>>
>>>>
>>>> Hi,
>>>>
>>>> has anyone managed to get an external digital monitor to run under
>>>> ubuntu with the i950 graphics card?
>>>> I would be fine with being able to turn of the internal monitor and just
>>>> use the external one if it is available.
>>>>   
>>>>     
>>>>       
>>>>         
>>> Iam having the x301, i think we do have the same graphics cars, mine at
>>> least is th einteh X4500MHD, according to thinkwiki you've got the same.
>>>
>>> i'm using a second monitor with 1680x1050 resolution plus the internal
>>> display with the latest 9.04.
>>>
>>> i did change my xorg.conf to:
>>>
>>> Section "Device"
>>>  Identifier    "Configured Video Device"
>>>     Option "AccelMethod" "UXA"
>>> #    Option "XvMC" "true"
>>> EndSection
>>>
>>> everythings working flawlessly now, even Option NoDRI isn't required
>>> anymore, since the kernel doesn't get woken up by the dri stuff (libdrm2
>>> and UXA) 
>>>
>>> so far,
>>> Ferdinand
>>>
>>>   
>>>     
>>>       
>
>