Turning On The Server; Turning Off The Server - IBM 84885BU Maintenance And Troubleshooting Manual

Turning on the server

Approximately 20 seconds after the server is connected to ac power, the
power-control button becomes active, and you can turn on the server and start the
operating system by pressing the power-control button.
The server can also be turned on in any of the following ways:
v If a power failure occurs while the server is turned on, the server will restart
v If the operating system supports the systems-management software for an
v If the operating system supports the Wake on LAN
v If an optional Remote Supervisor Adapter II is installed in the server, the server
Note: When 4 GB or more of memory (physical or logical) is installed, some

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 the operating-system documentation for information about shutting down the
operating system.
The server can be turned off in any of the following ways:
v You can turn off the server from the operating system, if the operating system
v You can press the power-control button to start an orderly shutdown of the
automatically when power is restored.
optional Remote Supervisor Adapter II, the systems-management software can
turn on the server.
feature can turn on the server.
can be turned on from the Remote Supervisor Adapter II user interface.
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.
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.
supports this feature. After an orderly shutdown of the operating system, the
server will be turned off automatically.
operating system and turn off the server, if the operating system supports this
feature.
®
feature, the Wake on LAN
Chapter 1. Introduction
7