Lenovo Z61t User Manual
Page 42
(DRAM)
unbuffered
small
outline
dual
inline
memory
module
(SO-DIMM),
available
as
an
option,
in
the
memory
slot
of
your
computer.
SO-DIMMs
with
different
capacities
are
available.
Note:
Use
only
the
memory
types
supported
by
your
computer.
If
you
incorrectly
install
the
optional
memory
or
install
an
unsupported
memory
type,
a
warning
beep
will
sound
when
you
try
to
start
the
computer.
To
install
an
SO-DIMM,
do
the
following:
1.
Touch
a
metal
table
or
a
grounded
metal
object.
This
action
reduces
any
static
electricity
in
your
body,
that
could
damage
the
SO-DIMM.
Do
not
touch
the
contact
edge
of
the
SO-DIMM.
2.
Turn
off
the
computer
;
then
disconnect
the
ac
adapter
and
all
cables
from
the
computer.
3.
Close
the
computer
display,
and
turn
the
computer
over.
4.
Remove
the
battery.
5.
Remove
the
screws
that
hold
the
palm
rest
in
place.
Replacing
memory
34
ThinkPad
®
Z61
Service
and
Troubleshooting
Guide