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My friend Has Alien-ware 14x machine and it has a DMC board on it. Out of curiosity I want to know what the DMC board is meant for and what is its functionality.

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This is a SiBeam WiHD/DMC controller card. It is used for streaming media to compatible WirelessHD devices. It broadcasts on a separate wireless frequency (60GHz), so it doesn't tie up your normal Wi-fi. It's also faster.

More info & some links:

Thread about the card on Notebookreview.com

More info from Dell Here.

WirelessHD on Wikipedia

WiHD Transmitter & Receiver kit on Amazon

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