Lenovo 3797 manual Server controls, LEDs, and power, Front view

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