Can I do eyefinity with 32 inch LG LED tv's

Broc Kelley · Dec 18, 2013

I plan on using 3 32 inch tv's in portrait, if their VESA sizes are compatible with realistically priced VESA mounts. They have hdmi inputs and a VGA as well. Since they are only 1920x1080 can I use passive vga to display port and can I do so without losing any picture quality?

TV: http://www.amazon.com/LG-Electronics-32LN5310-32-Inch-1080p/dp/B00DQHZXQA/ref=sr_1_93?s=tv&ie=UTF8&qid=1387363164&sr=1-93#productDetails

If it was you, and you had $850 to spend on displays, what would you do?

laviniuc · Dec 18, 2013

what graphics card do you have?

Divyanshu Sah · Dec 18, 2013

I think more than one displays are needed for eyefinity.

azzazel_99 · Dec 18, 2013

clearly he said he plans on using more than one.

Pinhedd · Dec 18, 2013

Broc Kelley :

You must use an active DisplayPort to DVI/HDMI adapter for at least one of the displays.

recent AMD Radeon GPUs have a limitation on the number of pixel clock and TMDS transmitter configurations. They can only drive at most one Dual-Link DVI-D, one Single-Link DVI/HDMI (they're mostly identical), and up to two DisplayPort ports with up to two displays each.

DVI and HDMI both require a discrete pixel clock, whereas DisplayPort has the pixel clock encoded into the packet stream. Thus, since only two pixel clocks are available, at least one of the displays must be connected via DisplayPort. It is possible to put a DisplayPort host adapter into a dual mode where it behaves as an HDMI/SL-DVI-D host adapter through the use of a passive adapter, but this still requires a pixel clock and will not work for DisplayPort.

RobCrezz · Dec 18, 2013

Yeah I cant see any reason why not using Display port and adapters for HDMI.

Bear in mind that you need quite a powerful GPU setup to run 3x 1080p screens.

Broc Kelley · Dec 18, 2013

Pinhedd :

Are you saying I need either an active adapter or else I need to get different monitors? I'm not very educated in..well whatever it is you just said haha. I'll do my research though, and thank you for the actual reply.

I think I have a solution: would using one VGA to DVI, one HDMI to dvi, and then one HDMI to display port via a passive adapter (because like you said the hdmi has it's own clock) work? I think that satisfies your retort. Like I said, as I read up on this stuff I still don't know very much..at all.

And also, I have everything else covered whether it be graphics cards, stands, debezelling kits..so if we could all be constructive, I know a lot of people on different forums that would really benefit from a collaborative effort here. Especially me, so thank your any help

Pinhedd · Dec 18, 2013

Broc Kelley :

Pinhedd :

Are you saying I need either an active adapter or else I need to get different monitors? I'm not very educated in..well whatever it is you just said haha. I'll do my research though, and thank you for the actual reply.

I think I have a solution: would using one VGA to DVI, one HDMI to dvi, and then one HDMI to display port via a passive adapter (because like you said the hdmi has it's own clock) work? I think that satisfies your retort. Like I said, as I read up on this stuff I still don't know very much..at all.

And also, I have everything else covered whether it be graphics cards, stands, debezelling kits..so if we could all be constructive, I know a lot of people on different forums that would really benefit from a collaborative effort here. Especially me, so thank your any help

VGA also uses a pixel clock.

I meant that using a passive adapter will not work for Eyefinity. Typo on my part.

One of the displays must use either an native DisplayPort signal, or an active DisplayPort converter as the converter will have its own clock generator.

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Can I do eyefinity with 32 inch LG LED tv's

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Divyanshu Sah

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