Lenovo 70LU, User Manual And Hardware Maintenance Manual

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5. Connect the rear fan assembly cable to the rear system fan connector on the system board. See
“System board components” on page 19.
Intrusion switch
• “Removing the intrusion switch” on page 84
• “Installing the intrusion switch” on page 84
Removing the intrusion switch
To remove the intrusion switch, do the following:
1. Prepare your server. See “Preparing your server and removing the server cover” on page 41.
2. Locate the intrusion switch. See “Server components” on page 16.
3. Disconnect the intrusion switch cable from the system board.
4. Remove the screw that secures the intrusion switch and remove the intrusion switch from the chassis.
Figure 80. Removing the intrusion switch
5. To install a new intrusion switch, see “Installing the intrusion switch” on page 84.
6. If you are instructed to return the old instruction switch, follow all packaging instructions and use any
packaging materials that are supplied to you for shipping.
Installing the intrusion switch
To install a new intrusion switch, do the following:
1. Prepare your server. See “Preparing your server and removing the server cover” on page 41.
2. Remove the old intrusion switch in your server if necessary. See “Removing the intrusion switch” on
page 84.
3. Align the screw hole in the new intrusion switch with the corresponding hole in the chassis. Then install
the screw to secure the intrusion switch to the chassis.
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ThinkServer TS150 User Guide and Hardware Maintenance Manual