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144hz monitors go to 60hz when using display port for the last monitor

post #1 of 6
Thread Starter 
So since you need to use display port and two DVI to do eyefinity I hooked the last monitor up to a DVI displayport adapter and it makes all the monitors go to 60hz whereas before the other two were on 144hz. I got into settings on windows and all the options disappear except for 60hz. How do I fix this?
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i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
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First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
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post #2 of 6
Quote:
Originally Posted by Frankenbach View Post

So since you need to use display port and two DVI to do eyefinity I hooked the last monitor up to a DVI displayport adapter and it makes all the monitors go to 60hz whereas before the other two were on 144hz. I got into settings on windows and all the options disappear except for 60hz. How do I fix this?
DP -> DVI adapters are limited to SL-DVI speeds, which precludes 144hz. Unless you have a power DP->DL-DVI adapter, which costs $60 ea, then it will be limited to 60hz.
post #3 of 6
Thread Starter 
Alright, so I need a dual link DP adapter? Great.. Know where I could get one for that price? Only one I see on newegg is over $100.
First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
  hide details  
Reply
First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
  hide details  
Reply
post #4 of 6
Quote:
Originally Posted by Frankenbach View Post

Alright, so I need a dual link DP adapter? Great.. Know where I could get one for that price? Only one I see on newegg is over $100.

Monoprice.
post #5 of 6
Thread Starter 
Isn't that one minidisplayport? I need regular displayport.
First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
  hide details  
Reply
First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
  hide details  
Reply
post #6 of 6
You can use it in conjunction with a MiniDP-DP adaptor.
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