Installing
or
replacing
a
memory
module
Attention
Do
not
open
your
computer
or
attempt
any
repair
before
reading
and
understanding
the
“Important
safety
information”
in
the
Lenovo
3000
Safety
and
Warranty
Guide
that
came
with
your
computer.
To
obtain
a
copy
of
the
Lenovo
3000
Safety
and
Warranty
Guide
,
go
to:
http://www.lenovo.com/support
This
section
provides
instructions
on
how
to
install
or
replace
a
memory
module.
Your
computer
has
two
slots
for
installing
or
replacing
DDR2
DIMMs
(double
data
rate
2
dual
inline
memory
modules)
that
provide
up
to
a
maximum
of
4.0
GB
of
system
memory.
When
installing
memory
modules,
use
the
following
guidelines:
v
Use
1.8
V,
240-pin
DDR2
SDRAM.
v
Use
1
GB
or
2
GB
memory
modules
in
any
combination
up
to
4
GB.
To
install
or
replace
a
memory
module:
1.
Removing
the
computer
cover.
See
“Removing
the
computer
cover”
on
page
86.
2.
Lay
the
computer
on
its
side.
3.
Locate
the
memory
slots.
See
“Identifying
parts
on
the
system
board”
on
page
85.
Chapter
8.
Replacing
FRUs
(Type
7848)
89
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