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Refresh rate capped?

post #1 of 4
Thread Starter 
On my sig (desktop) & monitor I am unable to go above 60Hz refresh rate yet my monitor supports 75Hz at native res which is 1080p. It doesn't bother me that much as I play with vsync off anyway & never have any tearing at all but would still like to have my piece of hardware operate at a setting it was designed to.. Even AMD Catalyst detects it supports a max of 75Hz but all I can pick is 60, why? Not even the "HDTV support" tab of Catalyst is helping me. Also tried EDID (I think thats what it is) override, says it worked & still only can select 60Hz.

Also using HDMI if that matters as I hear DMI is limited to 60Hz at 1080p while HDMI is limited to 85Hz or 120Hz so..? Thats if my HD 6970 even had a DMI port..
     
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post #2 of 4
HDMI 1.3 supports higher refresh rates, Dual Link DVI has always supported higher refresh rates (i.e. 120, 144) and higher resolution, try using a dual link dvi cable, my guess is that you'll be able to use that 75hz option thumb.gif
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post #3 of 4
There's no such thing as DMI, but there are different revisions of HDMI that support different things. I think above poster is right, your HDMI connection is probably at fault.
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post #4 of 4
Thread Starter 
DVI is what I meant sorry, how would I use a DL DVI when my HD 6970 doesn't even have a DVI port & with the revisions of HDMI is that just the cable or does both end point devices matter too?

EDIT: Actually my card does have DVI ports mmm.. im not thinking very well anymore..
Edited by GigaByte - 11/30/12 at 1:10pm
     
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Crucial MX100 512GB Samsung 850 EVO 1TB Toshiba 2TB 7.2K RPM Silicon Power S60 120GB 
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Noctua NH-D15S Windows 10 Pro x64 Acer G257HU Logitech G910 
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EVGA SuperNOVA 750W G2 Cooler Master HAF XB EVO Steelseries Rival Some cheap generic crap 
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[SSD] Mushkin ECO2 240GB [HDD] HGST 1TB 7.2K RPM SATA III Stock Windows 10 Pro x64 
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