X2_4977 This is a BIOS that will boot from E:\XBOXROM.BIN or D:\XBOXROM.BIN Provided an appropriate debug BIOS is installed. You will need to rename the BIOS file (sorry). Totally independant of your version of Xbox. Don't even *think* about flashing this to your TSOP. For more information, see this thread on Xbox-Scene: http://forums.xbox-scene.com/index.php?act=ST&f=38&t=67916&s=70768cbb990be40ab7c263f84e4e834f