HP TC2120 - Manual (Page 102)

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Chapter 7 Replacing Parts
Removing Accessory Boards
To remove an accessory board, refer to the following procedure:
1. If the server is operating, power off the server.
Refer to Chapter 1‚ Controls and Indicators for instructions.
2. Disconnect the power cord and any external cables connected to the server.
If necessary, label each one to expedite re-assembly.
3. Remove the left side cover.
4. Lay the server on its side with the system board facing up (component side up).
5. Remove any cables attached to the accessory board.
If necessary, label each one to expedite re-assembly of a replacement board.
6. Remove the slot cover latch by:
a. Lift up on the tab of slot cover latch.
a. Raise the slot cover latch up from the slot covers.
a. Remove it from the chassis and keep it for reassembly.
WARNING The power supply will continue to provide standby current to
the hp server tc2120 until the power cord is disconnected from
the AC power source.
CAUTION Wear a wrist strap and use a static-dissipating work surface
connected to the chassis when handling components. Ensure
the metal of the wrist strap contacts your skin.