![]() If the limitation is a real hardware limitation, then even you get rid of it with some trick, the performance won't be guaranteed. So many (may be most?) mother board will use the built in HDMI function to get low cost, for these mother boards, the system will never successfully output HDMI 4K30Hz, don't even try anything which only waste your time. But the built in HDMI doesn't support 4K30Hz at all. ![]() The PCH support HDMI output directly, there is no need for external chips like DisplayPort to HDMI converter chips. Generally the Intel proprietary high speed links is not the bottle neck, so the problem is mostly depend on the mother board spec.Įach digital port is capable of driving resolutions up to 2560x1600 at 60 Hz through DisplayPort and 1920x1200 at 60 Hz using HDMI or DVI (with reduced blanking). The CPU output display data through some Intel proprietary high speed links to the PCH (like H77), then the PCH converts these signals to standard interfaces e.g. ![]()
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