04-28-2017, 02:49 PM
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Member
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Join Date: Dec 1969
Location: Los Angeles, CA USA
Posts: 1,129
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Re: Best video card for cheese grater Mac and HDX?
Quote:
Originally Posted by panamajack
About the QSI converters:
Without the converters, I have two 3840x2160 running at 30Hz on a Radeon HD5870 (2010 12 core MP). Neither require a converter: one is hooked up DVI, the other by mini DP.
However, this has only worked with El Capitan: When I boot into Mountain Lion, I have only been able to get one monitor at 3840 x 2160 and the other at 2560x1440 (same monitors, same video card, same cables).
On an early 2015 MBP (running El Capitan), I can get 3840x2160 @ 60Hz from the TB ports, or 3840x2160 @ 30Hz from the HDMI (same monitors as on the 12 core).
Just an FYI for anyone lingering a while longer on ML.
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Any idea what kind of success you'd have on Sierra?
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