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Active vs. Passive Displayport adapters *the truth* - Page 4

post #31 of 115
Quote:
Originally Posted by Marsolav View Post

I'm new around and have made a lot of searching concerning the subject. Seems like the Thread maker is quite right. Now, though, am I the only one stuck up with this issue that I'm completly unable to find an active DisplayPort to HDMI adapter? I got that Samsung TV that could serve some purpose if I ever get this to work. At the moment, using my actual (most likely passive) adapter only allows me to connect two screens at the same time. ATI's website doesn't list any HDMI active adapters at all neither.
Ideas?

You could try this.
http://www.club-3d.com/index.php/products/reader.en/product/displayport-to-hdmi-cable.html
http://www.amazon.co.uk/Club3D-Displayport-zu-HDMI-Adapter/dp/B003VIQJW6/ref=sr_1_90?s=computers&ie=UTF8&qid=1349607111&sr=1-90

Or you could use the Accell active DP to DVI-D dual link and use a DVI-D to HDMI adapter on the end.

http://www.accellcables.com/products/DisplayPort/DP/dp_dvid.html
http://www.amazon.com/Professional-Cable-Female-Adapter-DVIM-HDMIF/dp/B002JCQVW8
http://www.amazon.co.uk/Club3D-DVI-HDMI-Series-Adapter/dp/B003SDDH6K/ref=sr_1_6?s=computers&ie=UTF8&qid=1349606935&sr=1-6

I don't have AMD cards so not sure if these will work.

I have Nvidia GTX680's so I just purchased the Accell active DP to DVI-D adapter and awaiting for my new monitors to arrive.
http://www.accellcables.com/products/DisplayPort/DP/dp330_dvid.htm
Edited by BarryBGB - 11/15/12 at 12:24pm
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post #32 of 115
Thanks for the reply. I'd like to keep the audio, since it's going to play through a TV (for watching movies, i.g.), so using a DVI adapter won't do.

I'm also looking for vendors in America.
post #33 of 115
Quote:
Originally Posted by Marsolav View Post

Thanks for the reply. I'd like to keep the audio, since it's going to play through a TV (for watching movies, i.g.), so using a DVI adapter won't do.
I'm also looking for vendors in America.

Since I don't want to hijack this thread anymore than it is, I have sent you a PM of another product.
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post #34 of 115
I have and still currently using a passive adapter on 3-Hannpree 20" monitor's for over a year now.
post #35 of 115
This is a contribution to the first post and also concerning my own issue. The question is : where can you find Active Displayport to HDMI adapter? I have questionned AMD themselves and here's their answer :
Quote:
Originally Posted by AMD 
Please be advised that Display port to HDMI adapters/Converters only come in passive. This is why you are not able to get 3 displays up.

You are required to have at least 1 DVI or 1 VGA capable display. You need to use an Active Displayport to DVI or Active Displayport to VGA adapter. Should you an Active DP-DVI connector for one of the display, it should work.

If all 3 of your displays happen to be HDMI input only. There is one possible work around in which customers have reported to work and not work. It’s to convert the active Displayport to DVI and then use a DVI to HDMI adapter. Please note, we do not recommend multiple adapters in a single line configuration. This is why some customers reported that it works and it does not work at times.
post #36 of 115
More to the point, the HDMI group says that any connector that is not HDMI on both ends is illegal, because they own the rights to how the technology is manufactured and marketed. Cables that aren't HDMI at both end violate their specifications.

We cannot support or endorse any HDMI cable that isn't HDMI at both ends, and nobody will make an active adapter for fear of lawsuit.
post #37 of 115
In other words : active adapters exist and you may find them at your local electronic store.
post #38 of 115
Bump for good thread smile.gif
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post #39 of 115
Thank you for the article.

I was wondering if you could help me figure this one.

I have a Mac Pro 2010 with ATI Radeon HD 5770 and 3 monitors, which I'm trying to have connected simultaneously, but so far I can only get 2 of them to work at the same time.

The monitors I have are :

- 2x LG IPS224V 22 inch LED Backlit IPS Monitor (http://www.amazon.co.uk/gp/product/B008F7GVZS/ref=oh_details_o02_s00_i00)
- 1x Samsung LS27A850DS/EN 27 inch LED Monitor (http://www.amazon.co.uk/gp/product/B005CYXNVW/ref=oh_details_o02_s00_i00)

The Samsung one has a maximum resolution of 2560x1440 and comes with 2x DVI and 1x DisplayPort.

Two LG are connected with the Mini DisplayPort to HDMI and Samsung with one DVI cable - but I can't get all 3 to work together.

Could you please tell me what I need (and I'm sorry for my ignorance, but I really can't figure this out) to make it work?

Your help would be very much appreciated.
Edited by scabro - 11/30/12 at 2:06am
post #40 of 115
I have a question regarding active adapters. Some are quite obviously powered via USB. My question is about the others. They (I believe) route power through the DP port via the +3.3 V wire in the connector. My question is could one use, at least theoretically, a passive mini displayport to displayport adapter and then use an active displayport to DVI adapter to enable Eyefinity? Would the first adapter theoretically allow the necessary power to flow through to the active adapter, allowing it to convert the signal?
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