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Chapter 4. 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, light-emitting diodes (LEDs), and
connectors on the front of the server.
1 Hard disk drive status LED (amber) 8 CD/DVD drive (optical drive)
2 Hard disk drive activity LED (green) 9 CD/DVD eject button
3 Video connector 10 CD/DVD drive activity LED
4 USB 1 connector 11 Bay 1
5 USB 2 connector 12 Hard disk drive bays
6 Operator information panel 13 Bay 0
7 Rack release latch 14 Rack release latch
Hard disk drive activity LED: Each hot-swap hard disk drive has an activity LED.
When this LED is flashing, it indicates that the drive is in use.
Hard disk drive status LED: Each hot-swap hard disk drive has a status LED.
When this LED is lit, it indicates that the drive has failed. When this LED is flashing
slowly (one flash per second), it indicates that the drive is being rebuilt as part of a
RAID configuration. When the LED is flashing rapidly (three flashes per second), it
indicates that the controller is identifying the drive.
Video connector: Connect a monitor to this connector. The video connectors on
the front and rear of the server can be used simultaneously.
USB connectors: Connect a USB device, such as USB mouse, keyboard, or other
USB device, to either of these connectors.
Operator information panel: This panel contains controls, LEDs, and connectors.
For information about the controls, LEDs, and connectors on the operator
information panel, see “Operator information panel” on page 16.
CD/DVD-eject button: Press this button to release a CD or DVD from the
CD-RW/DVD drive.
CD/DVD drive activity LED: When this LED is lit, it indicates that the CD-RW/DVD
drive is in use.
© Lenovo 2009. Portions © IBM Corp. 2007. 15