IBM 6221 Manual Do Utilizador
Line-out
connector
(green)
This
connector
sends
stereo
audio
signals
from
the
computer
to
external
devices,
such
as
speakers
with
built-in
amplifiers,
headphones,
or
the
audio
line-in
jack
on
a
stereo
system.
Microphone
connector
(pink)
This
connector
is
used
to
connect
a
microphone
to
record
voice
or
other
sounds
on
the
hard
disk.
You
can
also
use
this
connector
(and
a
microphone)
with
speech
recognition
software.
Power-control
button
Press
this
button
to
turn
the
computer
on
and
off
manually.
You
can
install
a
circular
disk,
called
the
power-control
button
shield,
over
the
power-control
button
to
prevent
accidental
manual
power-off.
This
disk
is
provided
with
your
computer.
Power-on
LED
When
this
LED
is
lit
and
does
not
flash,
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
(standby
mode).
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.
See
for
additional
information.
Detailed
troubleshooting
information
is
in
the
User’s
Guide
on
the
IBM
IntelliStation
Documentation
CD.
USB
ports
Use
these
automatically
configures
ports
to
connect
universal
serial
bus
(USB)
v2.0
devices
to
your
computer,
using
Plug
and
Play
technology.
Chapter
1.
Introduction
7