IBM 8872 Service Guide - Page 20

Server, controls, connectors, Front - service manual

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Server controls, LEDs, and connectors This section describes the controls, light-emitting diodes (LEDs), and connectors on the front and rear of the server. Front view The following illustration shows the controls, LEDs, and connectors on the front of the server. Note: The illustrations in this document show the xSeries 460 server, unless otherwise noted. Hard disk drive status LED Hard disk drive activity LED Electrostatic-discharge connector Operator information panel DVD-eject button DVD drive activity LED Hard disk drive status LED: If a ServeRAID-8i adapter is installed, when this LED is lit it indicates that the associated hard disk drive has failed. If the LED flashes slowly (one flash per second), the drive is being rebuilt. If the LED flashes rapidly (three flashes per second), the controller is identifying the drive. Hard disk drive activity LED: On some server models, each hot-swap hard disk drive has an activity LED. When this LED is flashing, it indicates that the drive is in use. Operator information panel: This panel contains controls and LEDs. The following illustration shows the controls and LEDs on the operator information panel. Power-control button Information LED USB connector Release latch Power-on LED Hard disk drive activity LED Locator LED System-error LED The following controls, connectors, and LEDs are on the operator information panel: v USB connector: Connect a USB device to this connector. v Power-control button: Press this button to turn the server on and off manually. A power-control-button shield comes with the server. v Information LED: When this LED is lit, it indicates that an error or warning message has been written to the system event log. 4 IBM xSeries 460 Type 8872 and xSeries MXE 460 Type 8874: Problem Determination and Service Guide

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Server
controls,
LEDs,
and
connectors
This
section
describes
the
controls,
light-emitting
diodes
(LEDs),
and
connectors
on
the
front
and
rear
of
the
server.
Front
view
The
following
illustration
shows
the
controls,
LEDs,
and
connectors
on
the
front
of
the
server.
Note:
The
illustrations
in
this
document
show
the
xSeries
460
server,
unless
otherwise
noted.
Operator information
panel
DVD drive activity LED
Hard disk drive
activity LED
Hard disk drive
status LED
DVD-eject button
Electrostatic-discharge
connector
Hard
disk
drive
status
LED:
If
a
ServeRAID-8i
adapter
is
installed,
when
this
LED
is
lit
it
indicates
that
the
associated
hard
disk
drive
has
failed.
If
the
LED
flashes
slowly
(one
flash
per
second),
the
drive
is
being
rebuilt.
If
the
LED
flashes
rapidly
(three
flashes
per
second),
the
controller
is
identifying
the
drive.
Hard
disk
drive
activity
LED:
On
some
server
models,
each
hot-swap
hard
disk
drive
has
an
activity
LED.
When
this
LED
is
flashing,
it
indicates
that
the
drive
is
in
use.
Operator
information
panel:
This
panel
contains
controls
and
LEDs.
The
following
illustration
shows
the
controls
and
LEDs
on
the
operator
information
panel.
Power-control button
Power-on LED
USB connector
Hard disk drive activity LED
Information LED
System-error LED
Locator LED
Release latch
The
following
controls,
connectors,
and
LEDs
are
on
the
operator
information
panel:
v
USB
connector:
Connect
a
USB
device
to
this
connector.
v
Power-control
button:
Press
this
button
to
turn
the
server
on
and
off
manually.
A
power-control-button
shield
comes
with
the
server.
v
Information
LED:
When
this
LED
is
lit,
it
indicates
that
an
error
or
warning
message
has
been
written
to
the
system
event
log.
4
IBM
xSeries
460
Type
8872
and
xSeries
MXE
460
Type
8874:
Problem
Determination
and
Service
Guide