X301 Displayport compatibility with DVI/HDMI?

X200, X201, X220 (including equivalent tablet models) and X300, X301 series specific matters only.
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FragrantHead
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X301 Displayport compatibility with DVI/HDMI?

#1 Post by FragrantHead » Tue Nov 18, 2008 10:42 pm

Been reading up on DisplayPort here:

http://www.edn.com/article/CA6594089.html

My question is, can you / have you successfully connect(ed) a DVI or HDMI monitor to the X301 via the DisplayPort? I am particularly interested in DVI.

It appears DisplayPort is based on an entirely different protocol than DVI/HDMI and therefore incompatible. However the article mentions DVI/HDMI signals can be passed through the connector. According to the article you need an adapter, which shifts the required voltages, but does not perform a signal conversion. It would be up to the X301 to detect the adapter and connected monitor and switch the DisplayPort output to a DVI or HDMI signal when required.

matsguenther
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#2 Post by matsguenther » Sun Nov 23, 2008 6:45 pm

Hi,

my x301 works on an EIZO 24" with 1920x1200 via Lenovo DisplayPort to DVI Adapter.

nimbelman
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Re: X301 Displayport compatibility with DVI/HDMI?

#3 Post by nimbelman » Wed Mar 18, 2009 3:16 pm

Can anyone confirm or deny that using a display port to HDMI adapter will work on the X301? I'm specifically interested in the audio as it seems from what I've read to not work with other thinkpads. Thanks in advance.

laughingtonto
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Re: X301 Displayport compatibility with DVI/HDMI?

#4 Post by laughingtonto » Thu Mar 19, 2009 9:38 pm

I'm pretty darn sure ThinkPads are not carrying audio over displayport/hdmi. I'd think if that were a feature, it would be touted pretty highly. There's nothing in the Intel mobile chipset regarding audio over displayport/hdmi.

-Todd

drake3
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Re: X301 Displayport compatibility with DVI/HDMI?

#5 Post by drake3 » Mon Mar 23, 2009 9:02 pm

Hi, I connected my X301 to my samsung TV via HDMI with a StarTech Display Port to HDMI adapter (DP2HDMI) and there was no audio carried over.

I was doing it because I was experimenting with using XBMC as a mythTV frontend with my X301. Failed miserably.

The Intel display drivers could not bring the screen to a native resolution for the TV which is somewhere around 13XX by 7XX ( I cannot remember the exact res.)

ssd_thinkpad
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Re: X301 Displayport compatibility with DVI/HDMI?

#6 Post by ssd_thinkpad » Tue Mar 24, 2009 12:44 am

Lenovo said on lenovo blogs that x301 displayport does not support audio. It maybe in the upcoming chipset.

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