You will need XBC 2.9.
And what you do is.
Power computer and xbox off.
Hook computer sata up to xbox drive.
if you are using xbox to power the drive you will need to earth the xbox to the computer case (having them just touching each other is good enough.)
Then you need to have the xbox drive in half open tray mode.
If you dont know how to do it heres a method.
Power on xbox eject tray, Close tray with your hand but hold it at half open while you pull the power out.
Make sure its at half open then plug the power back into the drive making sure the cable is correct way up.
Now power on the computer, the bios should detect the drive. And windows should load up.
If windows is taking a long time to load up just close the tray on the xbox drive some times I have to close it some times its fine.
Then boot up XBC 2.9 and it should detect your drive,
Open the tray and stick your game in.
Go to drive tools tab.
Click unlock.
Then go back to main tab and make sure full back up is checked then click start.
It should rip the game now.
If your drive isnt getting detected by XBC you need to make sure you have 1.6 firmware, XBC 2.9 And that you booted in half open tray method proply.