Xbox 360 halo 4 slim (320gb) 2012-09-05 DVD-drive: 1532-16D5S Lite-On drive (Phillips) Dash: 2.0.17150.0 My question: What version of the Corona Chipset do I have (I believe it's 4 or 5)? Another question: I will need a Cr4 XL and will get the QSB. Will I need a 4gb RW kit? Please let me know if any other information is needed. Thank you.