IBM 8086 User Manual
Always
connect
power
cords
and
signal
cables
in
the
correct
order
and
ensure
that
all
power
cord
connectors
are
securely
and
completely
plugged
into
receptacles.
Do
not
use
any
power
adapter
that
shows
corrosion
at
the
ac
input
pins
and/or
shows
signs
of
overheating
(such
as
deformed
plastic)
at
the
ac
input
or
anywhere
on
the
power
adapter.
Do
not
use
any
power
cords
where
the
electrical
contacts
on
either
end
show
signs
of
corrosion
or
overheating
or
where
the
power
cord
appears
to
have
been
damaged
in
any
way.
Extension
cords
and
related
devices
Ensure
that
extension
cords,
surge
protectors,
uninterruptible
power
supplies,
and
power
strips
that
you
use
are
rated
to
handle
the
electrical
requirements
of
the
product.
Never
overload
these
devices.
If
power
strips
are
used,
the
load
should
not
exceed
the
power
strip
input
rating.
Consult
an
electrician
for
more
information
if
you
have
questions
about
power
loads,
power
requirements,
and
input
ratings.
Plugs
and
outlets
If
a
receptacle
(power
outlet)
that
you
intend
to
use
with
your
computer
equipment
appears
to
be
damaged
or
corroded,
do
not
use
the
outlet
until
it
is
replaced
by
a
qualified
electrician.
Do
not
bend
or
modify
the
plug.
If
the
plug
is
damaged,
contact
the
manufacturer
to
obtain
a
replacement.
Some
products
are
equipped
with
a
three-pronged
plug.
This
plug
fits
only
into
a
grounded
electrical
outlet.
This
is
a
safety
feature.
Do
not
defeat
this
safety
feature
by
trying
to
insert
it
into
a
non-grounded
outlet.
If
you
cannot
insert
the
plug
into
the
outlet,
contact
an
electrician
for
an
approved
outlet
adapter
or
to
replace
the
outlet
with
one
that
enables
this
safety
feature.
Never
overload
an
electrical
outlet.
The
overall
system
load
should
not
exceed
80
percent
of
the
branch
circuit
rating.
Consult
an
electrician
for
more
information
if
you
have
questions
about
power
loads
and
branch
circuit
ratings.
Be
sure
that
the
power
outlet
you
are
using
is
properly
wired,
easily
accessible,
and
located
close
to
the
equipment.
Do
not
fully
extend
power
cords
in
a
way
that
will
stress
the
cords.
Connect
and
disconnect
the
equipment
from
the
electrical
outlet
carefully
Batteries
All
IBM
personal
computers
contain
a
non-rechargeable
coin
cell
battery
to
provide
power
to
the
system
clock.
In
addition
many
mobile
products
such
as
Thinkpad
notebook
PCs
utilize
a
rechargeable
battery
pack
to
provide
system
power
when
in
portable
mode.
Batteries
supplied
by
IBM
for
use
with
your
product
have
been
tested
for
compatibility
and
should
only
be
replaced
with
IBM
approved
parts.
Never
attempt
to
open
or
service
any
battery.
Do
not
crush,
puncture,
or
incinerate
batteries
or
short
circuit
the
metal
contacts.
Do
not
expose
the
battery
to
water
or
other
liquids.
Only
recharge
the
battery
pack
strictly
according
to
instructions
included
in
the
product
documentation.
Important
safety
information
vii