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Turning off the server
When you turn off the server and leave it connected to ac power, the server can respond to requests to
the service processor, such as a remote request to turn on the server. While the server remains connected
to ac power, one or more fans might continue to run. To remove all power from the server, you must
disconnect it from the power source.
Some operating systems require an orderly shutdown before you turn off the server. See your
operating-system documentation for information about shutting down the operating system.
Statement 5:
CAUTION:
The power control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
The server can be turned off in any of the following ways:
v You can turn off the server from the operating system, if your operating system supports this feature.
After an orderly shutdown of the operating system, the server will be turned off automatically.
v You can press the power-control button to start an orderly shutdown of the operating system and turn
off the server, if your operating system supports this feature.
v If the operating system stops functioning, you can press and hold the power-control button for more
than 4 seconds to turn off the server.
v The server can be turned off by the Wake on LAN feature.
v The integrated management module (IMM) can turn off the server as an automatic response to a
critical system failure.
Chapter 5. Locating Server Controls and connectors
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