Turning Off The Server - IBM eServer 232 xSeries User Reference Manual

Turning off the server

Turning off the server refers to the act of disconnecting the server from the power
source.
You can turn off the server in any of the following ways:
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IBM xSeries 232: User's Reference
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.
Note: After performing an orderly shutdown, wait at least five seconds before
you press the power-control button to turn on the server again.
You might need to press and hold the power-control button for more than 4
seconds to cause an immediate shutdown of the server and to force the power off.
You can use this feature if the operating system stops functioning.
If the system was turned on by the wake-up feature or Wake on LAN feature, you
can turn it off by either a software runtime utility or by the fail-safe, power-down
counter.
The Integrated System Management Processor can turn off the server.
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. Watch for the power-on light to stop blinking.