IBM x3100 M3 4253 Installation And User Manual page 26

Front information
panel
DVD drive activity
LED(green)
Power-control button and power-on LED
Hard disk drive activity LED
System-error LED
USB connectors
DVD-eject button
DVD drive activity LED
10
System x3100 M3 Type 4253: Installation and User's Guide
Power-control
Power-on LED button
Simple-swap
hard disk drive
Press this button to turn the server on and off manually or to wake the
server from a reduced-power state. When this LED is lit, it indicates that the
server is turned on. When this LED is off, it indicates that ac power is not
present, or the power supply or the LED itself has failed. When this LED is
blinking, it indicates that the system is in the ACPI S4 or S5 system status.
Attention: If you are connecting the server to an ac power source for the
first time, do not press the power-control button until the power LED
flashes.
When this LED is flashing rapidly, it indicates that a hard disk drive is in
use.
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 x Documentation CD.
Connect USB devices to these connectors.
Press this button to release a CD or DVD from the DVD drive.
When this LED is lit, it indicates that the DVD drive is in use.
Hard disk drive System error
activity LED LED
USB 2
USB 1
DVD-eject
button