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Serial connector
Ethernet activity LED
USB connectors
Ethernet connector
Ethernet speed indication 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 requests, such as a remote request to turn on the server. When the
power LED is flashing it indicates that the server is connected to an ac power
source but is not turned on.
Setting the power supply voltage
Before you turn on the server, make sure that you do the following:
1. Remove the label or tape (if present) from the ac power supply voltage switch
2. Set the power-supply voltage to the level required for your geography (115 volts
Turning on the server
Approximately 20 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 your operating system supports the Wake on LAN feature, the Wake on LAN
Note: When 4 GB or more of memory (physical or logical) is installed, some
32
System x3100 Type 4348: Installation Guide
Connect a 9-pin serial device to this connector.
This LED is on the Ethernet connector on the rear of the server. When this
LED is not lit, it indicates that there is no LAN connection established.
When this LED is lit, it indicates that a LAN connection is established.
When this LED is blinking, it indicates that a LAN connection is in process.
Connect USB devices to these connectors.
Use this connector to connect the server to a network.
This LED is on the Ethernet connector on the rear of the server. When this
LED is not lit, the data rate is set at 10 Mbps (mega bit per second). When
this LED is lit and green, the data rate is set at 100 Mbps. When this LED
is lit and yellow, the data rate is set at 1000 Mbps.
on the rear of the server.
ac or 230 volts ac).
automatically when power is restored.
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 or PCI Express options.
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