Chapter 3. Server Controls, Leds, And Power; Front View - Lenovo ThinkServer TS100 Installation Manual

Chapter 3. Server controls, LEDs, and power

This section describes the controls and light-emitting diodes (LEDs) and how to
turn the server on and off.

Front view

The following illustration shows the controls, LEDs, and connectors on the front of
the server.
Power-on LED
Power-control button
© Lenovo 2008, 2009. Portions © IBM Corp. 2008.
1
Power-on LED
2
Power-control button
3
Hard disk drive activity LED
4
System-error LED
5
USB connectors
When this LED is lit and not flashing, it indicates that the server is turned
on. When this LED is flashing, it indicates that the server is turned off and
still connected to an ac power source. When this LED is off, it indicates
that ac power is not present, or the power supply or the LED itself has
failed. A power LED is also on the rear of the server.
Note: If this LED is off, it does not mean that there is no electrical power
in the server. The LED might be burned out. To remove all electrical
power from the server, you must disconnect the power cords from
the electrical outlets.
Press this button to turn the server on and off manually. You can install it
to prevent the server from being turned off accidentally.
6
CD-eject or DVD-eject button
7
CD or DVD drive activity LED
8
Optional diskette-eject button
9
Optional diskette drive activity LED
35