Replacing memory (all machine types), Identifying, Parts – IBM THINKCENTER 8189 User Manual
Page 44: System, Board, Machine, Types), Replacing, Memory
Identifying
parts
on
the
system
board
(all
machine
types)
1
Microprocessor
11 SATA
1
IDE
connector
2
Fan
sink
connectors
12 SATA
2
IDE
connector
3
Memory
connector
1
13 Security
daughter
card
connector
4
Memory
connector
2
14 Clear
CMOS/Recovery
jumper
5
Memory
connector
3
15 Battery
6
Memory
connector
4
16 SCSI
LED
connector
7
Power
connector
17 PCI
slots
8
Diskette
drive
connector
18 Front
panel
audio
connector
9
PATA
primary
IDE
connector
19 CD-ROM
audio
connector
10 PATA
secondary
IDE
connector
20 AGP
slot
Replacing
memory
(all
machine
types)
The
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
memory
modules,
the
following
rules
apply:
v
System
memory
is
divided
into
two
channels
(channel
A
and
B).
memory
connectors
1
and
2
are
channel
A,
and
memory
connectors
3
and
4
are
channel
B.
v
If
memory
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
1.0
GB
(when
available)
memory
modules
in
any
combination.
v
Memory
modules
are
25.4
mm
(1.0
inches)
in
height.
38
Hardware
Maintenance
Manual