On Mon, Sep 20, 2010 at 2:52 AM, Felix Blanke <[email protected]> wrote:
> Thanks a lot for that good news :)
>
> One last question to you:
>
> You saied that there are 2 clock generators. My setup have 1 30" (HP 3065)
> and 2 20" (HP 2035). I guess they don't use the ex. same clock frequency,
> but shouldn't it be possible that the 30" uses the first clock generator and
> the 2 20" (which are identical) uses the second one?
>

No.  Using more than 2 non-DP monitors without active adapters is not
officially supported and only works by luck in some cases if the
clocks are the same.  You should not expect it work in general.

Alex

>
> Regards,
> Felix
>
> Marcel Schaal schrieb:
>>
>> Hi,
>>
>> a Radeon HD 5750 with two DVI, one HDMI and one DP port (actually
>> PowerColor
>> Go Green) can definitely drive three screens using 1x HDMI->DVI converter
>> +
>> 2xDVI. Afaik it's only possible to drive such a setup if all screens use
>> the
>> same clock frequency, because there are only two independent clock
>> generators. And it works with the opensource driver only.
>> I filed a bug report once, but I can't find it right now. The third screen
>> was distorted when used, but I think Dave fixed it by applying an old
>> patch.
>>
>> Regards
>> Marcel
>>
>>
>> On Sun, Sep 19, 2010 at 8:05 PM, Dave Airlie <[email protected]> wrote:
>>
>>> On Mon, Sep 20, 2010 at 8:36 AM, Felix Blanke <[email protected]>
>>> wrote:
>>>>
>>>> Yeah.
>>>>
>>>> I have buyed a third monitor and now need a video card for it :)
>>>>
>>>> I want to buy a HD 5770 (flex-edition from sapphire) to use 3 monitors
>>>
>>> via DVI.
>>>>
>>>> Open-source would be mutch nicer to use then the closed source driver :)
>>>
>>> Only if you use active displayport->dvi convertors.
>>>
>>> Dave.
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>>
>
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