Lenovo ThinkServer RD440 User Manual And Hardware Maintenance Manual page 35

1 Power button with power status LED
You can press the power button to turn on the server when you finish setting up the server. You also can
hold the power button for several seconds to turn off the server if you cannot turn off the server from the
operating system. See Chapter 4 "Turning on and turning off the server" on page 63. The power status LED
helps you to determine the current power status.
Power status LED
On
Off
Blinking
2 ID button with ID LED
When you press the ID button on the front panel, the ID LEDs on both the front and rear of the server are
lit to help you locate the server among other servers. You also can turn on the ID LEDs using a remote
management program for server presence detection.
ID LED
On
Off
3
NIC 1 status LED
4 NIC 2 status LED
The NIC 1 status LED indicates the LAN status for the Ethernet connector 1 on the rear of the server.
The NIC 2 status LED indicates the LAN status for the Ethernet connector 2 on the rear of the server.
NIC status LED
On
Off
Blinking
Color
The server is on.
Green
None The server is off.
Green The server is in ACPI S1 mode, which also is known
as Power On Suspend (POS) mode. In this mode,
the microprocessors are not working while other
hardware devices are still working.
Color
Blue The server is identified.
None The ID LED is not in use or the server is not identified.
Color
The server is connected to a LAN.
Green
None The server is disconnected from a LAN.
Green The LAN is connected and active.
Description
Description
Description
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Chapter 3 Product overview
23