원문 게시자: Dan ,
If I remember correctly both versions of this system layout are very similar. Here's a good image of the bottom as you can see the I/O interface chip is right underneath [http://d3nevzfk7ii3be.cloudfront.net/igi/46nkVBDL1kaEeOF6|Bottom of logic board]. Do you use an external HD or other device heavily? That could explain the higher heat.