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Chapter 3. Server power, controls, and indicators
This chapter describes how to turn on and turn off the server, and what the controls
and indicators mean.
Turning on the server
After you plug one end of the server power cord into the power supply connector on
the rear of the server, and the other end of the power cord into an electrical outlet, the
server can start as follows:
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•
Turning off the server
You can turn off the server as follows:
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•
•
© Copyright IBM Corp. 2001
You can press the power-control button on the front of the server to start the
server.
If the server is turned on and a power failure occurs, the server will start
automatically when power is restored.
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.
You can press the power-control button on the front of the server. This starts an
orderly shutdown of the operating system, if this feature is supported by your
operating system, and places the server in standby mode.
Note: After turning off the server, wait at least 5 seconds before you press the
power-control button to turn on the server again.
You can press and hold the power-control button for more than 4 seconds to
cause an immediate shutdown of the server and place the server in standby
mode. You can use this feature if the operating system stops functioning.
You can disconnect the server power cords from the electrical outlets to shut off
all power to the server.
Note: After disconnecting the power cords, wait approximately 15 seconds for
your system to stop running.
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