IEEE
1394
(FireWire)
connectors
Use
these
connectors
(four-pin
on
the
front
and
six-pin
on
the
rear)
to
connect
FireWire
devices,
such
as
digital
video
cameras
and
external
hard
disk
drives.
USB
connectors
Use
these
connectors
to
connect
USB
devices
to
your
computer,
using
redundant
Plug
and
Play
technology.
Microphone
connector
(pink)
Use
this
connector
to
connect
a
microphone
to
your
computer
when
you
want
to
record
voices
or
other
sounds
on
the
hard
disk.
You
can
also
use
this
connector
(and
a
microphone)
with
speech-recognition
software.
Line
out
connector
(green)
Use
this
connector
to
send
audio
signals
from
the
computer
to
external
devices,
such
as
speakers
with
built-in
amplifiers,
headphones,
multimedia
keyboards,
or
the
audio
line-in
jack
on
a
stereo
system.
System-error
LED
When
this
LED
is
lit,
it
indicates
that
a
system
error
has
occurred.
An
LED
on
the
system
board
might
also
be
lit
to
help
isolate
the
error.
If
the
system
board
LED
is
not
lit,
check
the
error
log.
Hard
disk
drive
activity
LED
When
this
LED
is
lit,
it
indicates
that
the
hard
disk
drive
is
in
use.
Ethernet
activity
LED
When
this
LED
is
lit,
it
indicates
that
there
is
activity
between
the
computer
and
the
network.
There
are
two
of
these
LEDs,
one
on
the
front
and
one
on
the
rear
of
the
computer.
Power-on
LED
When
this
LED
is
lit
and
not
flashing,
it
indicates
that
the
computer
is
turned
on.
When
this
LED
is
flashing,
it
indicates
that
the
computer
is
off
and
still
connected
to
an
ac
power
source.
Power-control
button
Press
this
button
to
turn
the
computer
on
or
off.
Ethernet
link
status
LED
When
this
LED
is
flickering,
it
indicates
that
there
is
an
active
connection
on
the
Ethernet
connector.
This
LED
is
on
the
rear
of
the
computer.
Turning
on
the
computer
When
the
computer
is
connected
to
an
ac
power
source
but
is
not
turned
on,
the
operating
system
does
not
run,
and
all
core
logic
is
shut
down;
however,
the
computer
can
respond
to
remote
requests
to
turn
on
the
computer.
The
power-on
LED
flashes
to
indicate
that
the
computer
is
connected
to
an
ac
power
source
but
is
not
turned
on.
Notes:
1.
Turn
on
all
external
devices,
such
as
the
monitor,
before
turning
on
the
computer.
2.
The
power-on
LED
on
the
front
of
the
computer
is
lit
when
the
computer
is
on
and
while
it
is
being
turned
on.
10
IBM
IntelliStation
M
Pro
Types
6225
and
6228:
User’s
Guide
Summary of Contents for IntelliStation M Pro 6225
Page 1: ...IBM IntelliStation M Pro Types 6225 and 6228 User s Guide...
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Page 138: ...Part Number 88P9138 Printed in USA 1P P N 88P9138...
