5. Disconnect the power source from the system by unplugging the system. For instructions, see
"Disconnecting the power cords from an 8001-12C, 8001-22C, 8005-12N, or 8005-22N system" on page
100.
Note: The system might be equipped with redundant power supply. Before you continue with this
procedure, ensure that all power to your system is disconnected.
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Power Systems: Installing the IBM Power System S821LC (8001-12C)
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