if your not comfortable with cutting traces, etc to get your key from your phat lite-on drive then buy this:
http://www.diygadget.com/game-console-adapters/pogo-mo-thoin-pmt-solderless-binary-extractor.html
or buy this if you need to power drive also:
http://www.diygadget.com/game-console-adapters/x-360-connectivity-kit-v3-and-pogo-mo-thoin-pmt-combo.html
This combo comes with the following items:
* DVD adapter version 3
* SATA HDD adapter for your to download game saves to your pc or transfer game saves to your 360 hard drive
* POGO MO THOIN solderless probe with BLUE LED for key extraction