The following illustration shows the controls, LEDs, and connectors on the front of
the simple-swap server models.
USB connectors
Power-control button
Front
information
panel
CD or DVD-eject button
CD or DVD drive
activity LED
(green)
System power LED
Hard disk drive activity LED
System error LED
Power-on LED
When this LED is lit, it indicates that the server is turned on. When this LED
is flashing, it indicates that the system is turned off and but still connected
to ac power. When this LED is off, it indicates that ac power is not present,
or the power supply or the LED itself has failed.
Power-control button
Press this button to turn the server on and off manually.
Hard disk drive activity LED
When this LED is flashing rapidly, it indicates that a hard disk drive is in
use.
System-error LED
When this amber LED is lit, it indicates that a system error has occurred.
An LED on the system board might also be lit to help isolate the error.
Detailed troubleshooting information is in the Problem Determination and
Service Guide on the IBM System x3400 Documentation CD.
USB connectors
Connect USB devices to these connectors.
CD-eject or DVD-eject button
Press this button to release a CD from the CD drive or a DVD from the
DVD drive.
Chapter 1. The System x3400 server 11