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Eyefinity problem ATI6950

Toms88

Toms88

Toms88

Associate
Joined
21 May 2011
Posts
150
Location
Addlestone, Surrey
Hi Guys

Have recently built my new system which has been running flawlessly at 4.5ghz for 2 weeks now :)

So today i tried to hook up my third display but was greeted with error messages and problems.

My main display (1) is a Dell ST2410 and is connected via HDMI directly from the HDMI port. My second display is a Samsung Syncmaster 22"(2), connected via a DVI-D cable to the top DVI port on the GPU as you look at the back. My third display is a Sony Bravia 40"(3) however this is connected to my Onkyo 7.1(3) Theatre Amp via HDMI. The idea was to use my DVI->HDMI on the GPU and the other end of the HDMI plugs into the Onkyo's HDMI port. I will point on that on my last system (HD2900XT) i had the same setup but just simply switched the cables between the Samsung(2) and the DVI->HDMI to the Onkyo. This worked fine as long as i changed the resolutions and used overscan to get full 1080p on the Sony 40"(3).

This time when i plugged the DVI->HDMI into the lower port on the GPU i get the message that this port does not support Sound. (previously both DVI ports on the 2900XT were able to support audio to the Onkyo Amp(3) )
Then i went into CCC and right clicked on new display option for the Onkyo to "extend" the desktop and it told me i first had to disable a display?! Then it auto switched off the Samsung(2) and put the extended display onto the Sony(3). Now for some reason in both windows and CCC i only have the option of the Dell(1) and the Onkyo(3). Its like it no longer see's the samung(2) plugged in?!

I assumed i would be able to extend the desktop to a third display without a problem...am i missing something or do i HAVE to use the miniport if i want a third screen??

Sorry for the long post but this is really bugging me as this was the biggest reason for me to upgrade systems so i wouldnt have to manually swap leads all the time!
 
If I'm not mistaken, to use Eyefinity one of the output HAS TO BE via the display port, which you would need a active adapter for to make it display port->DVI.

OcUK unfortunately only sell Mini DisplayPort to DVI Adapter...try googling Sapphire Active DisplayPort to DVI Adapter.
 
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My Eyefinity setup on a Sapphire 6950 is 2 x DVI and 1 x minidisplay>VGA.

You have to use the minidisplayport or Eyefinity will not work.

Not sure about the sound issue. It may come back if you get rid of the straight HDMI connection adn use the ATI dongle on the DVI to connect through your amp.

Was under the impression that most 6950's came with a mini>normal display port adaptor. Mine did and this is then linked into a displayport>VGA adaptor, connected to my 24" monitor. Dont see any degradation of image quality by using VGA / DSUB connection either, looks identical to the DVI connected monitors
 
Marine-RX179 said:
If I'm not mistaken, to use Eyefinity one of the output HAS TO BE via the display port, which you would need a active adapter for to make it display port->DVI.

OcUK unfortunately only sell Mini DisplayPort to DVI Adapter...try googling Sapphire Active DisplayPort to DVI Adapter.
Click to expand...

So your telling me i need to pay 80quid for an adaptor only because my BRAND NEW graphics card has DisplayPort rather than a minidisplay port, of which you can no longer find the adapter because they are discontinued!!
Thats near on half of what i paid for the graphics card anyway....WHAT A RIP OFF!
 
Shelster said:
My Eyefinity setup on a Sapphire 6950 is 2 x DVI and 1 x minidisplay>VGA.

You have to use the minidisplayport or Eyefinity will not work.

Not sure about the sound issue. It may come back if you get rid of the straight HDMI connection adn use the ATI dongle on the DVI to connect through your amp.

Was under the impression that most 6950's came with a mini>normal display port adaptor. Mine did and this is then linked into a displayport>VGA adaptor, connected to my 24" monitor. Dont see any degradation of image quality by using VGA / DSUB connection either, looks identical to the DVI connected monitors
Click to expand...

Didnt really think to check at the time but after a quick look i only have

2 X DVI
1 X HDMI
1 X Displayport

The descriptoin on overclockers mentions -
- Display Connectors: 2 Dual-Link DVI-I, 1 HDMI & 2x DisplayPort

Hmmmmm......
 
Toms88 said:
So your telling me i need to pay 80quid for an adaptor only because my BRAND NEW graphics card has DisplayPort rather than a minidisplay port, of which you can no longer find the adapter because they are discontinued!!
Thats near on half of what i paid for the graphics card anyway....WHAT A RIP OFF!
Click to expand...
I think the cheapest I found was only around £17 when I was googling it...

Try putting "Sapphire Active Display Port to Single Link DVI Adaptor" into google, and then click "shopping" at top.
 
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only the saphire FLEX version of the 6950 supports 3 non displayport monitors without needing an active adapter but the premium for them is around the same as an active adapter
 
Marine-RX179 said:
I think the cheapest I found was only around £17 when I was googling it...

Try putting "Sapphire Active Display Port to Single Link DVI Adaptor" into google, and then click "shopping" at top.
Click to expand...

Ahhh, yep i see. I was assuming i needed the one with a seperate USB cable making it "active", those ones look like passive ones but are labelled as active so il give it a go.

Martini1991 said:
Eyefinity isn't an extended desktop, it's a single resolution, a single desktop.
A 6950 has mini DP doesn't it?
Click to expand...

No, thats my mistake, when i bought it i assumed it had 2 x minidisplayports as it only has one standard display port (although its advertised here as 2 x displayport)
 
OK so now im getting really annoyed with this.

Monitor 1 - Displayport to HDMI (direct cable, one end displayport one end HDMI.
Monitor 2 - DVI - DVI
Montior 3 - HMDI - HDMI

WHY WONT THIS WORK!!!! The the second monitor appears but when i try to extend it still tells me that "To extend a display, a display must be disabled"

Is a Displayport to HDMI cable not good enough, because i dont want a Displayport to DVI, i want Displayport to HDMI. So unless now i need to get a Displayport to DVI, then a DVI to HDMI connected onto that, which seems utterly stupid. I think its ridiculous that it should be this difficult to plug in three screens.
 
Toms

You NEED to use an adapter to get it working. A simple cable that has DP at one end and then an HDMI connector at t'other will not work. There is some circuitry in the adaptor.

You are correct in saying that you do not need an active one. Mine is running from mini DP>DP>Display Port-VGA adapter and then to monitor. Think mine came from the rainforest

The only way i can see you getting it up and running is if you reconfigure your outputs and use the DVI>HDMI dongle that comes with ATi cards to allow sound out, a DVI connected display and then the last one connected as per the DP adapter doo dangery.

I have an active DP>DVI adapter here if you want to try that out. PM me your address and can bung it in the post to you.
 
Thanks Shelster.

Its just ive heard so many different things and after ATi and Sapphire werent really sure i started to lose hope that anyone did!

Just to clear up exactly how my setup works i put this together -
DisplaySetup.jpg


Regarding your adapter, is it anything like this?

http://www.google.co.uk/products/catalog?q=displayport+to+hdmi&um=1&ie=UTF-8&tbm=shop&cid=10388358669032999051&sa=X&ei=Wvo2TvGRCoWLhQfh4eVg&ved=0CDAQ8wIwAA

If so then il just go ahead and try that! I assume it wont matter that both the Sony an Dell will be 1920 x 1080 and the samsung is 1680 x 1050.
 
Like the picture :)

The adaptor i have is an active one, so has a USB lead coming out of it. Is also a DVI conversion on it.

WIth regards to the resolution, when you set up for Eyefinity, it will scale down to the lowest resolutions you have. Horizontally, you wil be fine, but you will be limited to 1050 vertical resolution by your sammy. Not sure how this will look on the telly and Dell, they may be able to scale ok. I went for the simplicity of 3 identical monitors.
 
Surveyor said:
It needs to be an active adapter, not passive.
Click to expand...

NO IT DOESNT........I have had mine setup for over 12 months with a purely passive adapter, no extra USB power and it is working fine. I went down the passive route after having flickering issues with the active one and reading online that you can use a passive DP>VGA one that resolves this issue
 
Shelster said:
NO IT DOESNT........I have had mine setup for over 12 months with a purely passive adapter, no extra USB power and it is working fine. I went down the passive route after having flickering issues with the active one and reading online that you can use a passive DP>VGA one that resolves this issue
Click to expand...

No need to shout.

If you say it works then fine. I'm sure you'll reimburse the OP if it doesn't.

This is direct from AMD:

• A maximum of 2 legacy monitors (VGA, DVI or HDMI) can be enabled simultaneously, provided that each monitor is connected either directly or via a “passive” DisplayPort™ adapter/dongle. “Passive” adapters/dongles will NOT support more than 2 legacy monitors.

• To enable support for more than 2 monitors, “active” DisplayPort™ adapters/dongles are required (or monitors with direct DisplayPort™ connectivity must be used).
 
Was only as i had said it about three times already in the post.

As i have pointed out, mine is VGA, so the HDMI one should work in theory.

An option is to

HDMI>Onkyo>Sony Telly
DVI>Dell
DP>VGA Adapter>Sammy monitor (assuming the sammy has a d-sub input). If not then swap the sammy for the Dell (if that has one)

He is more than welcome to have my active adapter gratis (as I said earlier)as that is surplus to my requirements, so can then have both the sammy and dell connected through DVI
 
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