Lenovo 3057 Maintenance Manual page 36

1 Power switch with power status LED
You can press the power switch to turn on the server when you finish setting up the server. You also can
hold the power switch 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 59. 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
5 System error LED
The system error LED helps you to determine if there are any system errors.
System error LED
On
Off
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ThinkServer RD430 Hardware Maintenance Manual
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.
Color
Amber
One or more system errors have occurred and the
system is likely to fail.
None The server is off or the server is on and is working
correctly.
Description
Description
Description
Description