how easy to solve and completly unlogical some problems can be.
Have fun playing
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| 120HZ Eyefinity, slightly different question https://www.wsgf.org/phpBB3/viewtopic.php?f=68&t=27273 |
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| Author: | Arkayn [ 14 May 2014, 13:50 ] |
| Post subject: | 120HZ Eyefinity, slightly different question |
Hi everyone, I think my issue is slightly different to what I can find on here and google. I have xfire 7970's (Gigabyte reference) and 3 Samsung S27A950D monitors. These monitors support DP, DVI-D and HDMI. When I do a Eyefinity setup of 5760x1080 I can only select 60 hz in Windows and Catalyst control panel. IF I run 1 monitor at a time I can select 120hz on the two connected by DP but only 60hz on the DVI-D (windows and CCC). The cable is 100% DVI-D. I have installed the monitor drivers too. Do I need an DVI to DP adapter so that all 3 monitors are connected by DP to get 120hz Eyefinity? Does the adapter need to be ACTIVE? I ask cause everything I find says I can do 120hz with DVI-D or DP but it won't work for me hence I may have another issue. All driver versions from 14.4beta all the way through the 13's has this issue. The other thing that throws me is nVidia works with DVI-D for 120hz multiscreen. So in short do I need to run different to 2x DP and 1x DVI-D to get 120hz? |
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| Author: | Haldi [ 14 May 2014, 22:07 ] |
| Post subject: | Re: 120HZ Eyefinity, slightly different question |
You don't need a DVI-D you'd need a DVI-DL The D stands for Digital, the DL for Dual Link! If you wan't enough bandwidth for 120hz on 1920x1080 you will need a Dual Link cable and a capable Dual Link DVI port. And you Monitor needs to be able to use Dual Link DVI input. |
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| Author: | Arkayn [ 15 May 2014, 09:48 ] |
| Post subject: | Re: 120HZ Eyefinity, slightly different question |
Haldi wrote: You don't need a DVI-D you'd need a DVI-DL The D stands for Digital, the DL for Dual Link! If you wan't enough bandwidth for 120hz on 1920x1080 you will need a Dual Link cable and a capable Dual Link DVI port. And you Monitor needs to be able to use Dual Link DVI input. Sorry I do have a DVI_DL cable - the one with 24 pins so no gab in the middle. So if I have the right cable does anyone have any idea why I cannot get 120hz on the dvi connected monitor? The card is a Radeon GV-R797OC-3GD. |
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| Author: | Arkayn [ 15 May 2014, 12:57 ] |
| Post subject: | Re: 120HZ Eyefinity, slightly different question |
Haldi wrote: You don't need a DVI-D you'd need a DVI-DL The D stands for Digital, the DL for Dual Link! If you wan't enough bandwidth for 120hz on 1920x1080 you will need a Dual Link cable and a capable Dual Link DVI port. And you Monitor needs to be able to use Dual Link DVI input. Cable is a dual link. Saw a post elsewhere of someone having to de then re-attached the cable with the PC on and vola, 120hz. Did the same and it worked for me too both in windows display settings and CCC. AMD strikes again... |
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| Author: | Haldi [ 17 May 2014, 03:26 ] |
| Post subject: | Re: 120HZ Eyefinity, slightly different question |
how easy to solve and completly unlogical some problems can be. Have fun playing
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| Author: | Arkayn [ 17 May 2014, 10:53 ] |
| Post subject: | Re: 120HZ Eyefinity, slightly different question |
Haldi wrote: how easy to solve and completly unlogical some problems can be. Have fun playing Turns out it does not stick after a reboot of the PC. I sent AMD a support ticket but the speed they fix all the other known crossfire issues and the fact the forums for AMD are filled with no replies complaints I aint holding my breath. No ideas anyone else? |
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