Android 4. ice cream sandwich partition issues?

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http://androidforums.com – So I hooked up a brand new android media player, love it. I thought something was wrong with my 8 gig sd card, cause it only showed a 2 gb sd card. As it turns out, the internal memory seems to be divided into an internal memory, and a built in sd card memory. This means that I ran out of memory for programs, and you can't move any programs onto a real sd card, because it only tries to move them to the internal 2 gb sd card. Is there a way to disable the internal 2 gb virtual sd card, so I can just use my actual 8 gb sd card? What exacly is the point of all this? (General)