80GB PS3 Less Backward Compatible
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The chip in Sony's initial PS3 versions that enables backward compatibility with older PlayStation games, called the "Emotion Engine," will be eliminated from the structure of new 80GB units, which go on sale in August. Sony warns that this means the 80GB PS3 will offer less compatibility.
Similar to Microsoft's Xbox 360, and Sony's own PAL-formatted systems in Europe, backward compatibility will likely be achieved through a periodic system update. The 60GB PS3 model continues to include the chip in order for users to play their PS One and PlayStation 2 games.