Operator Information Panel - IBM System x3550 M3 Type 4254 Installation And User Manual

v Hard disk drive activity LEDs: This LED is used on hot-swap SAS or SATA
hard disk drives. Each hot-swap hard disk drive has an activity LED, and when
this LED is flashing, it indicates that the drive is in use.
v Hard disk drive status LEDs: This LED is used on hot-swap SAS or SATA hard
disk drives. When this LED is lit, it indicates that the drive has failed. If an
optional IBM ServeRAID controller is installed in the server, when this LED is
flashing slowly (one flash per second), it indicates that the drive is being rebuilt.
When the LED is flashing rapidly (three flashes per second), it indicates that the
controller is identifying the drive.
v Optional DVD eject button: Press this button to release a DVD or CD from the
DVD drive.
v Optional DVD drive activity LED: When this LED is lit, it indicates that the
DVD drive is in use.
v Operator information panel: This panel contains controls and LEDs that provide
information about the status of the server.
v Operator information panel release latch: Slide the blue release latch to the left
to pull out the light path diagnostics panel and view the light path diagnostics
LEDs and buttons. See "Light path diagnostics panel" on page 18 for more
information about the light path diagnostics.
v Video connector: Connect a monitor to this connector. The video connectors on
the front and rear of the server can be used simultaneously.
v USB connectors: Connect a USB device, such as a USB mouse or keyboard to
any of these connectors.

Operator information panel

Use this information to view the operator information panel.
The following illustration shows the controls and LEDs on the operator
information panel.
Figure 6. Operator information panel
v 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.
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.
Chapter 1. The IBM System x3550 M3 server
17