Server Controls And Indicators; Front View - IBM Xseries 345 8670 Maintenance Manual

Server controls and indicators

This section identifies the controls and indicators on the front and the back of your
server.
Note: The illustrations in this document might differ slightly from your hardware.

Front view

identification LED
Power-on LED: This green LED is lit and stays on when you turn on your server
and flashes when the server is in Standby mode.
Attention:
is no electrical current present in the server. The LED might be burned out. To
remove all electrical current from the server, you must unplug the server power
cords from the electrical outlets or from the uninterruptible power device.
Power-control button: Press this button to manually turn on the server and put the
server in Standby mode (see "Server power features" on page 6).
Reset button: Press this button to reset the server and run the power-on self-test
(POST). You might need to use a pen or the end of a straightened paper clip to
press the button.
SCSI or IDE bus activity LED: This LED is on when there is activity on the SCSI
or IDE bus.
System-error LED: This amber LED is lit when a system error occurs. An LED on
the diagnostic LED panel will also be on to further isolate the error.
CD-ROM drive activity LED: When this LED is lit, it indicates that the CD-ROM
drive is in use.
CD-eject button: Press this button to release a CD from the drive.
Diskette drive activity LED: When this LED is lit, it indicates that the diskette drive
is in use.
Diskette-eject button: Press this button to release a diskette from the drive.
4
xSeries 345 Type 8670: Hardware Maintenance Manual and Troubleshooting Guide
Power-on
LED (green)
Power-control
button
Reset
CD-ROM drive
button
activity
Information LED
System
(amber)
(blue)
If the power-on light-emitting diode (LED) is off, it does not mean there
SCSI or IDE
bus activity LED
(green)
System-error
LED (amber)
CD-eject button
LED (green)
Hard disk drive Hard disk drive
activity LED status LED
(green) (amber)
Diskette drive
activity LED
(green)
Diskette-eject
button