IBM 7379E2U, Installation And User Manual

Page: 29 / 152

Note: The front bezel door is not shown so that the drive bays are visible.
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 20 to 40 seconds.
Note: Approximately 20 seconds after the server is connected to ac
power, the power-control button becomes active.
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 112 for information on
logging on to the IMM Web interface.
Hard disk drive activity LED
When this LED is flashing, 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.
Chapter 1. The System x3400 M3 server
13