Lenovo ThinkServer TD100 Installation Manual page 58

The following illustration shows the controls, LEDs, and connectors on the front of
the simple-swap server models.
Power-on LED
Power-control button
Hard disk drive activity LED
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ThinkServer TD100 and TD100x Types 4203, 4204, 4205, 4206, 6398, 6399, 6419, and 6429: Installation Guide
1
System power LED
2
Power-control button
3
Hard disk drive activity LED
4
System-error LED
When this LED is lit, it indicates that the server is turned on. When this LED
is off, it indicates that ac power is not present, or the power supply or the
LED itself has failed.
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.
When this LED is flashing, it indicates that a hard disk drive is in use.
5
USB connectors
6
CD-eject or DVD-eject button
7
CD or DVD drive activity LED (green)
8
Front information panel