IBM 8128 Laptop User Manual


 
The
following
illustration
shows
the
locations
of
parts
on
the
system
board.
1
Microprocessor
11
SATA
2
IDE
connector
2
DIMM
connector
1
12
Promise
of
value
(POV)
daughter
card
(some
models)
3
DIMM
connector
2
13
Clear
CMOS/Recovery
jumper
4
DIMM
connector
3
14
Battery
5
DIMM
connector
4
15
SCSI
LED
connector
6
Power
connector
16
PCI
slots
7
Diskette
drive
connector
17
Front
panel
audio
connector
8
PATA
primary
IDE
connector
18
CD-ROM
audio
connector
9
PATA
secondary
IDE
connector
19
AGP
slot
10SATA
1
IDE
connector
Installing
memory
Your
computer
has
four
connectors
for
installing
dual
inline
memory
modules
(DIMMs)
that
provide
up
to
a
maximum
of
4.0
GB
of
system
memory.
When
installing
DIMMs,
the
following
rules
apply:
v
System
memory
is
divided
into
two
channels
(channel
A
and
B).
DIMM
connectors
1
and
2
are
channel
A,
and
DIMM
connectors
3
and
4
are
channel
B.
v
If
DIMM
connectors
1
and
3
(or
2
and
4)
are
filled
with
the
same
technology
and
size
of
memory,
the
system
operates
in
dual
channel
mode.
v
Use
2.5
V,
184-pin,
333
MHz
double
data
rate
synchronous
dynamic
random
access
memory
(DDR
SDRAM).
v
Use
128
MB,
256
MB,
512
MB
or
1
GB
(when
available)
DIMMs
in
any
combination.
v
DIMMs
are
25.4
mm
(1.0
inch)
in
height.
Note:
Only
DDR
SDRAM
DIMMs
can
be
used.
84
User
Guide