IBM 72336RU User Manual - Page 28

Turning off the server, also might have more than one power cord. To remove all electrical current

Page 28 highlights

v If a power failure occurs while the server is turned on, the server will restart automatically when power is restored. v If the server is installed in a static partition, you can turn on the server and start the operating system by pressing the power-control button on the primary node in the partition. v If your operating system supports the systems-management software for the Remote Supervisor Adapter II, the systems-management software can turn on the server. v If your operating system supports the Wake on LAN feature, the Wake on LAN feature can turn on the server. Note: When 4 GB or more of memory (physical or logical) is installed, some memory is reserved for various system resources and might be unavailable to the operating system. The amount of memory that is reserved for system resources depends on the operating system, the configuration of the server, and the configured PCI options. Turning off the server When you turn off the server and leave it connected to ac power, the server can respond to requests from 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. 2 1 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. 16 IBM System x3850 M2 and System x3950 M2 Types 7141 and 7233: User's Guide

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v
If a power failure occurs while the server is turned on, the server will restart
automatically when power is restored.
v
If the server is installed in a static partition, you can turn on the server and start
the operating system by pressing the power-control button on the primary node in
the partition.
v
If your operating system supports the systems-management software for the
Remote Supervisor Adapter II, the systems-management software can turn on
the server.
v
If your operating system supports the Wake on LAN feature, the Wake on LAN
feature can turn on the server.
Note:
When 4 GB or more of memory (physical or logical) is installed, some
memory is reserved for various system resources and might be unavailable to the
operating system. The amount of memory that is reserved for system resources
depends on the operating system, the configuration of the server, and the
configured PCI options.
Turning off the server
When you turn off the server and leave it connected to ac power, the server can
respond to requests from 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.
1
2
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.
16
IBM System x3850 M2 and System x3950 M2 Types 7141 and 7233: User’s Guide