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PostPosted: 11 Dec 2014, 02:12 
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I'm working on a post for this. Got the info a bit late, so I'm playing catch-up.

- There is extra hardware on the R9 285 that enables the PLP support. This is why it isn't available on current cards. Kind of like the bridge-less CrossFire of the R9 290 series. Newer cards will have the feature as well.

- The 24 display Eyefinity is only for FirePro, and basically for signage and video walls.

I got some more details I'll get out in my article...


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PostPosted: 14 Dec 2014, 06:21 
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I received the Club 3D R9 285 today, the Royal Queen 945MHz stock, purchased to test Eyefinity PLP. I am sad to report that CCC is for me a complete FAIL when it comes to PLP. I have not yet given up, but it sure looks like it won't work.

Without using an Eyefinity display group, yes I can rotate sides in CCC (so can Windows, who cares). But as soon as I attempt to create an Eyefinity display group of it, screens are thrown back into horrible LLL. And I CANNOT rotate anything, only shove screens up & down, & Fit (which obviously fixes nothing if physical screens are in PLP). Just like the old Eyefinity, no PLP support. Or I have yet to find it.

It could be that I am doing something wrong, as I am a PLP guy. I am not as familiar with CCC as I should be. If I am doing something wrong, Eyefinity's PLP setup is NOT straightforward.

Regarding installation, I completely removed old drivers (well mostly: uninstalled exactly as AMD directs on their site, plus used free version of Fusion AMD removal (which is limited). Then installed fresh (latest Dec 8 2014 "Omega" drivers). I did it all right I swear. I have HDMI center, DVI left, VGA right (temporary, shouldn't matter. Have now also tested the right side with DVI, no change).

My head is shot. Will update again. Any ideas guys, or anyone else got Eyefinity PLP working, let me know.

AMD says it works, even Club 3D says it works. Must be me, hope it's me. Supported PLP is all I wanted for Christmas.

BTW I have heard this card allows considerable oc, and performs far better than specs appear. All I really care about is PLP aspect, everything else is icing.

CCC reported version:
Driver Packaging Version 14.501.1003-141120a-178000C
Catalyst Version 14.12 AMD Catalyst Omega Software
etc

On Create Eyefinity Display Group setup page:
"Supported configurations for your display group"
standard, mixed dimensions, mixed alignment. It does NOT say mixed rotation/orientation.

On Club 3D webpage:
The Club 3D AMD Radeon™ R9 285 Graphics card is loaded with the latest from Graphics Core Next Architecture, including mixed screen resolution and orientation for AMD Eyefinity Technology

I have now been through setup enough times to see there is no way to make Eyefinity group PLP work. This card is going back, false advertising. I am pretty annoyed. Was annoyed to begin with for ongoing crap PLP support. Now AMD offers it & it doesn't work.

I have now contacted Club3D support. Details here:
http://www.wsgf.org/forums/viewtopic.php?f=66&t=27774


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