Server Power Features; Turning On The Server - IBM eServer xSeries 445 Type 8870 Option Installation Manual

Server power features

When the server is connected to an ac power source but is not turned on, the
operating system does not run, and all core logic except for the service processor is
shut down; however, the server can respond to requests from the service processor,
such as a remote request to turn on the server. The power-on LED flashes to
indicate that the server is connected to ac power but it is not turned on.

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.
You can also turn on the server in any of the following ways:
v If the server is connected to an Advanced System Management interconnect
v If a power failure occurs while the server is turned on, the server will restart
v If your operating system supports the system-management software for an
v If your operating system supports the Wake on LAN
Note: When you press the power-control button on either the primary or secondary
network that contains at least one server with an optional Remote Supervisor
Adapter installed, the server can be turned on from the Remote Supervisor
Adapter user interface.
automatically when power is restored.
optional Remote Supervisor Adapter, the system-management software can turn
on the server.
feature can turn on the server.
server in a 16-way configuration, both servers will be turned on. If both
servers do not turn on when either power-control button is pressed, see the
Hardware Maintenance Manual and Troubleshooting Guide on the IBM
xSeries Documentation CD.
®
feature, the Wake on LAN
Chapter 2. Installing options
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