Dell Precision T3500 (Early 2009) - Manual (Page 35)

Chassis Intrusion Switch
Dell Precision™ T3500 Service Manual
Removing the Chassis Intrusion Switch
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the computer cover .
3. Lift the expansion card retention assembly arm away from the chassis (see Step 3, Removing the Expansion Card ).
4. Disconnect the intrusion switch cable from the system board.
5. Slide the intrusion switch toward the center of the computer.
6. Remove the intrusion switch from the computer.
Replacing the Chassis Intrusion Switch
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the computer cover .
3. Lift the expansion card retention assembly arm away from the chassis (see Step 3, Removing the Expansion Card ).
4. Connect the intrusion switch cable to the system board.
5. Slide the intrusion switch toward the center of the computer.
6. Place the intrusion switch in the computer.
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.