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Server controls, LEDs, and power
This section describes the controls and light-emitting diodes (LEDs) and how to
turn the server on and off.
For the locations of other LEDs on the system board, see "System-board LEDs" on
page 34.
Front view
The following illustrations respectively show the controls, LEDs and connectors on
the front of the 4U and 5U server models.
Hard disk drive
activity LED
Figure 4. Front view of 4U server model with non-hot-swap power supplies (bezel installed)
System error
LED
Power-control
button
Power-on LED
DVD drive activity
LED(green)
DVD-eject
button
USB 1
USB 2
Chapter 1. The IBM System x3100 M5 Type 5457 server
19
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Troubleshooting
