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Chapter 4. Server controls, LEDs, and power
This section describes the controls, light-emitting diodes (LEDs), and connectors on
the front and rear of the server, and how to turn the server on and off. For the
location of the LEDs on the system board, see “System-board LEDs” on page 33.
Note: The illustrations in this document might differ slightly from your model.
Front view
The following illustrations show the controls, LEDs, and connectors on the front of
the server models.
The following is an illustration of the 3.5-inch SAS/SATA hot-swap hard disk drive
model:
1 Power-on LED 7 DVD-eject button
2 Power-control button 8 Hard disk drive activity LED (green)
3 Hard disk drive activity LED 9 Hard disk drive status LED (amber)
4 System-error LED 10 DVD drive activity LED (green)
5 USB 2 11 Front information panel
6 USB 1
The following is an illustration of the 2.5-inch SAS/SATA hot-swap hard disk drive
model:
© Lenovo 2009. Portions © IBM Corp. 2009. 15