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help with Asus 7970 DirectCuII Issue

post #1 of 8
6/1/12 at 1:56am
Thread Starter 
Hi all

Nice New Asus 7970 DirectCII has an issue.

It works perfectly on all output on my 20" Dell Monitor, that is.. DisplayPort, DVI Single link and DVI Dual Link.

But when i connect my Hazro 30" 2560x1600 Dual Link DVI monitor i get green pixels flashing all over my screen, The Card runs all games perfectly on any monitor that is up to 1920x1200....

It doesnt crash or have any driver issues on the 30" hazro apart from this green flashing pixel issue.

Could it be an issue with the card where it deals with dual link? I have a DisplayPort to Dual link DVI Active adapter on its way which should be here today that im hopeing will fix this issue, But if it does do i still RMA the card?

Anyone got any ideas? Would a Bios update fix this?

Can you use the DirectCUII TOP Bios on the Normal DirectCuII?
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post #2 of 8
6/1/12 at 2:23am
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Are you sure you're using a Dual-Link DVI cable?
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post #3 of 8
6/1/12 at 2:47am
Thread Starter 
Yup BIG, im sure, if i were to use a single link i would have striped all over the screen.

Funny thing is if i use a LONG dual link cable the problem is much worse.

EDIT: Post man just arrived, with a Bizlink Dual link DVI adapter!

Its working perfectly fine on the adapter biggrin.gif

So its defo an issue with the card sending dual link via the DVI ports.

I may still RMA it next week though
Edited by jjpctech - 6/1/12 at 2:55am
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post #4 of 8
6/1/12 at 5:48am
Is there a switch on board for switching the DL-DVI port to be DL (disabling one display-port?). I'm not seen myself 79xx DCII models, but some of the older ones - I think - had something like that.
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post #5 of 8
6/1/12 at 6:09am
Thread Starter 
YEA THere is, But if that was incorrect it wouldnt even connect to dvi.
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i7 3770k ASUS P8Z77-I ITX Asus DirectCUII HD7970 16GB DDR3  
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post #6 of 8
6/1/12 at 6:31am
Quote:
Originally Posted by jjpctech View Post

YEA THere is, But if that was incorrect it wouldnt even connect to dvi.

Umm by my understanding it should switch between DL-DVI (disabling one DP for that) and SL-DVI (enabling 4th DP) for that port. But as mentioned I have not touched the 79xx series version myself so might be different there.
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DELL U2311H 3x DELL U2312HM 2x Thermaltake G-unit Corsair TX-750 
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DELL U2311H 3x DELL U2312HM 2x Thermaltake G-unit Corsair TX-750 
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post #7 of 8
6/1/12 at 7:01am
Thread Starter 
Yes it does, But with Dual Link enabled it has green dots, With Dual link disabled its white lines< Its deffo a card problem but for now its fixed with this adapter
My System
(13 items)
  		  
CPUMotherboardGraphicsRAM
i7 3770k ASUS P8Z77-I ITX Asus DirectCUII HD7970 16GB DDR3  
Hard DriveCoolingOSMonitor
128GB SSD Custom Watercooling Windows 8 Hazro 30" 
PowerCase
XFX Pro 1KW Platinum Bitfenix Prodigy 
View all
  hide details  
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My System
(13 items)
  		  
CPUMotherboardGraphicsRAM
i7 3770k ASUS P8Z77-I ITX Asus DirectCUII HD7970 16GB DDR3  
Hard DriveCoolingOSMonitor
128GB SSD Custom Watercooling Windows 8 Hazro 30" 
PowerCase
XFX Pro 1KW Platinum Bitfenix Prodigy 
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  hide details  
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post #8 of 8
6/11/12 at 4:08pm
I had the same green pixel issue with my 7970 DCII TOP. My DL-DVI cable worked with with ASUS 5850 and ASUS GTX 670 DCII TOP but with ASUS 7970 DCII TOP I got the green pixels. I hesitated to try different cable but for my surprise it worked!
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