IBM 71412RU, User Manual

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Server controls, connectors, LEDs, and power
This section describes the controls, connectors, and light-emitting diodes (LEDs)
and how to turn the server on and off.
Front view
The following illustration shows the controls, LEDs, and connectors on the front of
the server.
1 2
3 4
Operator information panel
USB connectors
DVD drive activity LED
DVD-eject button
Hard disk drive status LED
Hard disk drive activity LED
Electrostatic-discharge connector
Scalability LED
Hard disk drive activity LED: On some server models, 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: On some server models, each hot-swap hard disk
drive has a status LED. When this LED is lit continuously, that individual drive is
faulty. When the drive is connected to the integrated SAS controller with RAID
capabilities, a flashing status LED indicates that the drive is a secondary drive in a
mirrored pair and the drive is being synchronized.
USB connectors: Connect USB devices to these connectors.
DVD-eject button: Press this button to release a CD or DVD from the DVD drive.
DVD drive activity LED: When this LED is lit, it indicates that the DVD drive is in
use.
Operator information panel: This panel contains controls and LEDs. The following
illustration shows the controls and LEDs on the operator information panel.
Information LED
System-error LED
1 2
Ethernet icon LED
Power-control button/power-on LED
Ethernet port activity LEDs
Locator button/locator LED
Power-control button cover
The following controls and LEDs are on the operator information panel:
Chapter 1. The System x3850 M2 and System x3950 M2 server
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