IBM 8840 Installation Guide - Page 39

Server, power, controls, indicators

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Chapter 3. Server power, controls, and indicators Front view This chapter describes the controls and light-emitting diodes (LEDs) and how to turn the server on and off. The following illustration shows the controls, LEDs, and connectors on the front of the server. Rack release latch Hard disk drive activity LED (green) Hard disk drive status LED (amber) Operator information panel Rack release latch DVD-ROM eject button DVD-ROM drive activity LED (green) Diskette-eject button Diskette drive activity LED (green) Rack release latches: Press these latches to release the server from the rack. 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. Hard disk drive status LED: On some server models, each hot-swap hard disk drive has a status LED. 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. Operator information panel: This panel contains controls, LEDs, and connectors. The following illustration shows the controls, LEDs, and connectors on the operator information panel. Release latch System-error LED Information LED System-locator LED SCSI activity LED Power-control button Power-on LED USB connector The following controls, LEDs, and connectors are on the operator information panel: v Release latch: Slide this latch to the left to access the light path diagnostics panel. v System-error LED: When this LED is lit, it indicates that a system error has occurred. An LED on the light path diagnostics panel is also lit to help isolate the error. © Copyright IBM Corp. 2006 25

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Chapter
3.
Server
power,
controls,
and
indicators
This
chapter
describes
the
controls
and
light-emitting
diodes
(LEDs)
and
how
to
turn
the
server
on
and
off.
Front
view
The
following
illustration
shows
the
controls,
LEDs,
and
connectors
on
the
front
of
the
server.
Hard disk drive
activity LED (green)
Hard disk drive
status LED (amber)
DVD-ROM drive
activity LED (green)
Diskette drive
activity LED (green)
DVD-ROM eject button
Diskette-eject button
Rack release
latch
Rack release
latch
Operator information
panel
Rack
release
latches:
Press
these
latches
to
release
the
server
from
the
rack.
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.
Hard
disk
drive
status
LED:
On
some
server
models,
each
hot-swap
hard
disk
drive
has
a
status
LED.
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.
Operator
information
panel:
This
panel
contains
controls,
LEDs,
and
connectors.
The
following
illustration
shows
the
controls,
LEDs,
and
connectors
on
the
operator
information
panel.
USB connector
System-error LED
Information LED
System-locator LED
SCSI activity LED
Power-control button
Power-on LED
Release latch
The
following
controls,
LEDs,
and
connectors
are
on
the
operator
information
panel:
v
Release
latch:
Slide
this
latch
to
the
left
to
access
the
light
path
diagnostics
panel.
v
System-error
LED:
When
this
LED
is
lit,
it
indicates
that
a
system
error
has
occurred.
An
LED
on
the
light
path
diagnostics
panel
is
also
lit
to
help
isolate
the
error.
©
Copyright
IBM
Corp.
2006
25