Auto-detect DIsplayPort or MiniDVi?

Hi there
I am just about to hook up my Mac - and I am going to use the DisplayPort to HDMI adapter offered by Monoprice. The question is - If I only hook-up the DisplayPort (and not the MiniDVI port) will the display work - will it auto-detect that there is a LCD on the DisplayPOrt and display the picture? Or do I have to boot up using MiniDVi and switch to DisplayPort?

The mini should detect the monitor on the DisplayPort without problem.

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Auto-detect DIsplayPort or MiniDVi?

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