Server Power Features; Turning On The Server; Turning Off The Server - IBM System x3400 Type 7975 Installation Manual

Ethernet connectors
Ethernet transmit/receive activity LED
Ethernet link status LED

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 is shut down; however, the server
can respond to remote requests to turn on the server.

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 your operating system supports the systems-management software for an
v If your operating system supports the Wake on LAN
v If an optional Remote Supervisor Adapter II SlimLine is installed in the server, the
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 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.
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System x3400 Types 7973, 7974, 7975, and 7976: Installation Guide
Use these connectors to connect the server to a network.
This LED is on the Ethernet connector on the rear of the server. When this
LED is lit, it indicates that there is activity between the server and the
network.
This LED is on the Ethernet connector on the rear of the server. When this
LED is lit, it indicates that there is an active connection on the Ethernet
port.
automatically when power is restored.
optional Remote Supervisor Adapter II SlimLine, the systems-management
software can turn on the server.
feature can turn on the server.
server can be turned on from the Remote Supervisor Adapter II SlimLine 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, PCI-X, or PCI Express options.
®
feature, the Wake on LAN