Problems with 4K 60z in Mini DP

Hi~
I have a Mac mini (Late 2014,Intel iris 5100 Graphics) which supports display in 4K, and a 4K display.
But unfortunately it is at 3840x2160 30hz with mini displayport 1.2 plugged in.
My MacBook Pro (Retina, Late 2013) can work at 3840x2160 60hz with MST enabled as the Apple Support Document mentioned(Using 4K displays and Ultra HD TVs with Mac computers - Apple Support).
So I search the Internet and I found that there's no hardware limitation in iris 5100, which means iris 5100 can enable MST and output at 60hz.
Is there a way to force enable MST on Macs with iris 5100 Graphics?

Not that I know of. Apple only say 4K at 30Hz.
2014 Mac Mini 4k
4k at 60Hz Via Displayport on Late 2014 Mac Mini

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malcster2 wrote:
> hello
>
> i',m trying to create a faux column on this
> page:
http://www.malcmabe.co.uk/listtest.html.
> the column i'm trying to do is the left hand side menu
column.
>
> i just can't get this to work, so i'm obviousley missing
something.
>
> also, i've set the wrapper as minimum height of 100%.
this isn't working, so
> my hunch is that it's having a knock on effect to the
measurements of the left
> hand column....but i may be wrong
>
> any help would be appreciated.
>
> the css file is
http://www.malcmabe.co.uk/listtest.css
>
> malc
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