Dell Precision M6600 (Mid 2011) - Manual (Page 71)

Installing The Input/Output Board
1. Place the Input/Output (IO) board on the computer and ensure the
connector is properly engaged to the matching connector on the system
board.
2. Tighten the screw securing the IO board in place.
3. Connect the ExpressCard cable.
4. Install the
palm rest .
5. Install the secondary hard drive .
6. Install the primary hard drive .
7. Install the optical drive; .
8. Install the keyboard .
9. Install the keyboard trim .
10. Install the base cover .
11. Install the battery .
12. Follow the procedures in After Working Inside Your Computer .
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