0 1 2 3 4 5 6 7
DVD drive
activity LED
(green)
DVD-eject
button
Power-on LED
Power-control button
Hard disk drive activity LED
System error LED
USB 2
USB 1
Hard disk
drive activity
LED (green)
Hard disk
drive status
LED (amber)
Power control button and power-on LED
Press this button to turn the server on and off manually or to wake the
server from a reduced-power state. The states of the power-on LED are as
follows:
Off: AC power is not present, or the power supply or the LED itself has
failed.
Flashing rapidly (4 times per second): The server is turned off and is
not ready to be turned on. The power-control button is disabled. This will
last approximately 1 to 3 minutes.
Flashing slowly (once per second): The server is turned off and is
ready to be turned on. You can press the power-control button to turn on
the server.
Lit: The server is turned on.
Fading on and off: The server is in a reduced-power state. To wake the
server, press the power-control button or use the IMM Web interface.
See “Logging on to the Web interface” on page 232 for information on
logging on to the IMM Web interface.
Hard disk drive activity LED
When this LED is flashing, it indicates that the associated 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.
SeeChapter 3, “Diagnostics,” on page 23 for additional information.
USB connectors
Connect USB devices to these connectors.
Chapter 2. Introduction 11
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