Server Controls And Indicators; Front View - IBM 8670M1X User 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 light-emitting diode (LED) is lit and stays on when you
turn on your server and flashes when the server is in Standby mode.
Attention:
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.
Hard disk drive activity LED: Each of the hot-swap drives has a hard disk drive
activity LED. When this green LED is flashing, the controller is accessing the drive.
4
xSeries 345 Type 8670: Hardware Maintenance Manual and Troubleshooting Guide
SCSI or IDE
bus activity LED
Power-on
(green)
LED (green)
System-error
Power-control
LED
button
Reset
CD-ROM drive
button
activity
Hard disk drive
Information LED
System
activity
(amber)
(green)
(blue)
If the power-on LED is off, it does not mean there is no electrical
(amber)
CD-eject button
LED (green)
Hard disk drive
LED status LED
(amber)
Diskette drive
activity LED
(green)
Diskette-eject
button