IBM 8649 - Eserver xSeries 225, Руководство по техническому обслуживанию и устранению неисправностей

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Note: When 4 GB or more of memory (physical or logical) is installed, some
memory is reserved for various system resources and is 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 remote requests to turn on the server. 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.
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Note: After turning off the server, wait at least 5 seconds before you press the
power-control button to turn on the server again.
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
If an optional Remote Supervisor Adapter II is installed in the server, the server
can be turned off from the Remote Supervisor Adapter II user interface.
v
The server can turn itself off as an automatic response to a critical system
failure.
Chapter 4. Installing options
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