Inserting standoffs on the casing, onto which the motherboard is placed. Screwing the motherboard to the casing is a common mistake which can make the motherboard malfunction: <img src="http://www.elitetrader.com/vb/attachment.php?s=&postid=3297575.png">
Optical drive install: <img src="http://www.elitetrader.com/vb/attachment.php?s=&postid=3297582.png">
Casing front panel connection to motherboard: <img src="http://www.elitetrader.com/vb/attachment.php?s=&postid=3297585.png">
Power supply (back shot): <img src="http://www.elitetrader.com/vb/attachment.php?s=&postid=3297587.png">