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ATI Radeon 5770 Eyefinity - 3 monitors

How to setup Eyefinity to support three monitors on HD 5700/5800 series card?

Monitors are connected the following way: DVI-DVI-DisplayPort

Currently driver does not allow me to do this. If I click on the third monitor to extended it, I get message to disable other one.


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I am using DisplayPort adapter to DVI, so I do not have native displayPort monitor. Might be that a problem?

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marked as duplicate by Diago Nov 6 '09 at 15:28

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What kind of adapter do you have? Apparently you need an active one, as explained here: tomshardware.co.uk/forum/page-272593_15_0.html –  Snark Nov 6 '09 at 13:10
Verly likely passive I have this adapter: manhattan-products.com/en-US/products/8102-displayport-adapter –  Peter Stegnar Nov 6 '09 at 13:12

1 Answer 1

up vote 2 down vote accepted

To establish Eyefinity on three monitors you can only do this to use DisplayPort connection. You can connect on DisplayPort only a native DisplayPort monitor or DVI/HDMI/VGA monitor with ACTIVE DisplayPort adapter.

Picture of active adapter.

alt text

All credits should go to the Snark, since he gave the crucial hint.

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Are anyone knows where to order this adapter (to Europe)? –  Peter Stegnar Nov 6 '09 at 13:50
ATI Response: Currently you must have a Display Port monitor with no adapters. Passive adapters do not work. Active adapters are being tested and some are working, once testing is complete a list of Active adapters should be available online. –  Peter Stegnar Nov 6 '09 at 20:44
Here's the list of approved dongles: support.amd.com/us/eyefinity/Pages/eyefinity-dongles.aspx –  Kevin Driedger Mar 22 '12 at 13:04

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