IBM 887022X Installation Guide - Page 63

Server, controls, power

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Chapter 3. Server controls, LEDs, and power This chapter describes the controls and indicators, and provides the information needed to turn on and turn off the server. Front view AC power LED Power-on LED Power-control button Reset button Power supply latch DC power LED Hard disk drive activity LED Hard disk drive status LED USB port Diskette drive activity LED Diskette eject button Diskette drive eject button System-error LED (amber) Information LED (amber) SCSI activity LED (green) Locator LED (blue) DVD-ROM drive eject button DVD eject button DVD-ROM drive activity LED Figure 53. Front view of xSeries 445 AC and DC power LED: Each hot-swap power supply has an ac power LED and a dc power LED. During typical operation, both the ac and dc power LEDs are lit. For any other combination of LEDs, see the Hardware Maintenance Manual and Troubleshooting Guide on the IBM xSeries Documentation CD. Hard disk drive activity LED: This green LED is lit when the hard disk drive is in use. Hard disk drive status LED: When the drive is connected to the integrated SCSI controller with RAID capabilities, a flashing status LED indicates that the drive is a secondary drive in a mirrored pair and the drive is being synchronized. When the drive is connected to an optional ServeRAID controller, a slowly flashing (one flash per second) status LED 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. USB port: Use this automatically configured port to connect one or more USB devices to the front of the server, using Plug and Play technology. System-error LED: This amber LED is lit when a system error has occurred. © Copyright IBM Corp. 2004 51

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Chapter
3.
Server
controls,
LEDs,
and
power
This
chapter
describes
the
controls
and
indicators,
and
provides
the
information
needed
to
turn
on
and
turn
off
the
server.
Front
view
AC
and
DC
power
LED:
Each
hot-swap
power
supply
has
an
ac
power
LED
and
a
dc
power
LED.
During
typical
operation,
both
the
ac
and
dc
power
LEDs
are
lit.
For
any
other
combination
of
LEDs,
see
the
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
on
the
IBM
xSeries
Documentation
CD.
Hard
disk
drive
activity
LED:
This
green
LED
is
lit
when
the
hard
disk
drive
is
in
use.
Hard
disk
drive
status
LED:
When
the
drive
is
connected
to
the
integrated
SCSI
controller
with
RAID
capabilities,
a
flashing
status
LED
indicates
that
the
drive
is
a
secondary
drive
in
a
mirrored
pair
and
the
drive
is
being
synchronized.
When
the
drive
is
connected
to
an
optional
ServeRAID
controller,
a
slowly
flashing
(one
flash
per
second)
status
LED
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.
USB
port:
Use
this
automatically
configured
port
to
connect
one
or
more
USB
devices
to
the
front
of
the
server,
using
Plug
and
Play
technology.
System-error
LED:
This
amber
LED
is
lit
when
a
system
error
has
occurred.
Power-control
button
Reset button
Power-on LED
Hard disk drive activity LED
Hard disk drive status LED
USB port
System-error LED
(amber)
Information LED
(amber)
SCSI activity LED
(green)
Locator LED
(blue)
DVD-ROM drive eject button
DVD eject button
DVD-ROM drive activity LED
Power supply
latch
Diskette drive
activity LED
Diskette eject
button
Diskette drive
eject button
AC power LED
DC power LED
Figure
53.
Front
view
of
xSeries
445
©
Copyright
IBM
Corp.
2004
51