User's Manual

Ethernet transmit/receive activity LED
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.
Ethernet link status LED
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.
If
an optional Remote Supervisor Adapter II (systems-management adapter) is
installed, the server has additional connectors and LEDs. For more information
about these connectors and LEDs, see the documentation that comes with this
adapter. If you install the optional Remote Supervisor Adapter II, you must
disconnect the video cable from the system board and connect it to the optional
Remote Supervisor Adapter II.
Server power features
When the server is connected to an ac power source but is not turned on, the 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
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
automatically when power is restored.
v If your supports the systems-management software for an optional Remote
Supervisor Adapter II, the systems-management software can turn on the server.
v If your supports the Wake on LAN
®
feature, the Wake on LAN feature can turn
on the server.
v If an optional Remote Supervisor Adapter II is installed in the server, the server
can be turned on from the Remote Supervisor Adapter II user interface.
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 .
The amount of memory that is reserved for system resources depends on
the , 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 s require an orderly shutdown before you turn off the server. See your
operating-system documentation for information about shutting down the operating
system.
36 xSeries 206m Types 8485 and 8490: Installation Guide