Server Controls, Leds, And Power; Front View - IBM System x3550 M3 Type 4254 Installation And User Manual

Server controls, LEDs, and power

This section describes the controls and light-emitting diodes (LEDs) and how to turn
the server on and off. For the locations of other LEDs on the system board, see
"System-board LEDs" on page 43.

Front view

The following illustration shows the controls, LEDs, and connectors on the front of
the hot-swap server model.
Rack
release
latch
v Rack release latches: Press the latches on each front side of the server to
v Hard disk drive status LEDs: This LED is used on hot-swap SAS or SATA hard
v Hard disk drive activity LEDs: This LED is used on hot-swap SAS or SATA
v Optional DVD eject button: Press this button to release a DVD or CD from the
v Optional DVD drive activity LED: When this LED is lit, it indicates that the
v Operator information panel: This panel contains controls and LEDs that
v Operator information panel release latch: Slide the blue release latch to the
v Video connector: Connect a monitor to this connector. The video connectors on
v USB connectors: Connect a USB device, such as a USB mouse or keyboard to
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IBM System x3550 M3 Types 4254 and 7944: Installation and User's Guide
Hard disk drive
activity LED (green)
Hard disk drive
status LED (amber)
Drive bay 0 Drive bay 2
Drive bay 1 Drive bay 3
remove the server from the rack.
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.
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.
optional DVD drive.
optional DVD drive is in use.
provides information about the status of the server. For information about the
controls and LEDs on the operator information panel, see "Operator information
panel" on page 15.
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 15 and the
Problem Determination and Service Guide for more information about the light
path diagnostics.
the front and rear of the server can be used simultaneously.
Note: The maximum video resolution is 1600 x 1200 at 75 Hz.
any of these connectors.
USB 1
connector
Optional Optional
optical drive optical drive
USB 2
activity LED eject button
connector
Power-control
Optional
drive bay button and LED
Video
connector
Rack
release
latch
Operator Operator information
information panel release latch
panel