Server Power Features; Turning On The Server; Turning Off The Server - IBM x3550 - System - 7978 Installation Manual

v USB connectors: Connect a USB device, such as a USB mouse, keyboard, or
v Systems-management Ethernet connector: Use this connector to connect the
v Ethernet activity LEDs: When these LEDs are lit, they indicate that the server is
v Ethernet link LEDs: When these LEDs are lit, they indicate that there is an
v Ethernet connectors: Use either of these connectors to connect the server to a

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
(the baseboard management controller or optional Remote Supervisor Adapter II
SlimLine) 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 is not turned
on.

Turning on the server

Approximately 5 seconds after the server is connected to ac power, the
power-control button becomes active, and one or more fans might start running to
provide cooling while the server is connected to power. 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 you installed an optional Remote Supervisor Adapter II SlimLine, the server can
v If your operating system supports the Wake on LAN feature, the Wake on LAN
Note: When 4GB 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.
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IBM System x3550 Type 7978: Installation Guide
other device to any of these connectors.
server to a network for systems-management information control. This connector
is active only if you have installed a Remote Supervisor Adapter II SlimLine, and
it is used only by the Remote Supervisor Adapter II SlimLine.
transmitting to or receiving signals from the Ethernet LAN that is connected to
the Ethernet port.
active link connection on the 10BASE-T, 100BASE-TX, or 1000BASE-TX
interface for the Ethernet port.
network.
automatically when power is restored.
be turned on from the Remote Supervisor Adapter II SlimLine user interface.
feature can turn on the server.
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.