For some reason I just don't see this happening
![tongue.gif](http://forums.xboxscene.org/html/emoticons/tongue.gif)
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It's only done for x-boxes to increase the homebrew possibilities, and some in-game benefit (claim).
These games will still be written for whatever specifications the xenon is built to, therefore adding more RAM will not help, and if it did, chances are there will be no way to add more RAM anyways. If they're trying to cut costs and bulk, then why the hell would they leave an open RAM port lying there? It'd be much more efficient to elimnate the second DIMM, or split the RAM through the two DIMMs.