v Ethernet activity LEDs: When these LEDs are lit, they indicate that the server is
transmitting to or receiving signals from the Ethernet LAN that is connected to
the Ethernet port.
v Ethernet link LEDs: When these LEDs are lit, they indicate that there is an
active link connection on the 10BASE-T, 100BASE-TX, or 1000BASE-TX interface
for the Ethernet port.
v Ethernet connectors: Use either of these connectors to connect the server to a
network. When you use the Ethernet 1 connector, the network can be shared
with the IMM through a single network cable.
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 Integrated Management Module) is shut down; however, the server can
respond to requests to 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, one or more
fans might start running to provide cooling while the server is connected to power
and the power-on button LED will blink quickly. Approximately 1 to 3 minutes
after the server is connected to ac power, the power-control button becomes active
(the power-on LED will blink slowly), and one or more fans might start running to
provide cooling while the server is connected to power. You can turn on the server
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 operating system supports the Wake on LAN feature, the Wake on LAN
feature can turn on the server.
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
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.
Chapter 1. The System x3690 X5 Types 7147, 7148, 7149, and 7192 server 23
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