Lenovo 7522h6U User Guide - Page 22

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When installing or replacing a memory module, use the following guidelines: v Use 1.8 V, 240-pin, DDR2 DIMMs (double data rate 2 dual inline memory modules). v Use 512 MB, 1 GB, or 2 GB memory modules in any combination up to a maximum of 4 GB. Note: Only DDR2 SDRAM DIMMs can be used. To install or replace a memory module: 1. Open the computer cover. See "Opening the computer cover" on page 12. 2. Pivot the drive bay assembly upward to access the memory slots. See "Accessing the system board components and drives" on page 13. 3. Remove any parts that might prevent your access to the memory slots. 4. Locate the memory slots. 5. Open the retaining clips. Figure 7. Opening the retaining clips If you are replacing an old memory module, open the retaining clips and remove the memory module being replaced as shown. Figure 8. Removing the old memory module 14 User Guide

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When
installing
or
replacing
a
memory
module,
use
the
following
guidelines:
v
Use
1.8
V,
240-pin,
DDR2
DIMMs
(double
data
rate
2
dual
inline
memory
modules).
v
Use
512
MB,
1
GB,
or
2
GB
memory
modules
in
any
combination
up
to
a
maximum
of
4
GB.
Note:
Only
DDR2
SDRAM
DIMMs
can
be
used.
To
install
or
replace
a
memory
module:
1.
Open
the
computer
cover.
See
“Opening
the
computer
cover”
on
page
12.
2.
Pivot
the
drive
bay
assembly
upward
to
access
the
memory
slots.
See
“Accessing
the
system
board
components
and
drives”
on
page
13.
3.
Remove
any
parts
that
might
prevent
your
access
to
the
memory
slots.
4.
Locate
the
memory
slots.
5.
Open
the
retaining
clips.
If
you
are
replacing
an
old
memory
module,
open
the
retaining
clips
and
remove
the
memory
module
being
replaced
as
shown.
Figure
7.
Opening
the
retaining
clips
Figure
8.
Removing
the
old
memory
module
14
User
Guide