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the
primary
or
secondary
IDE
connector
on
the
system
board.
The
spare
connector
can
be
used
to
connect
additional
IDE
drives
to
your
computer.
The
CD-ROM
drive
is
attached
to
an
ATA
100
signal
cable.
ATA
100
signal
cables
are
color-coded.
The
blue
connector
is
attached
to
the
system
board.
The
black
connector
is
attached
to
the
master
IDE
device.
The
gray
middle
connector
is
attached
to
the
subordinate
IDE
device.
If
you
are
installing
an
additional
hard
disk
drive,
you
must
change
the
switch
or
jumper
setting
on
the
CD-ROM
drive
to
make
the
drive
a
subordinate
device,
set
the
switch
or
jumper
setting
on
the
new
drive
to
master,
and
change
the
connector
used
for
the
CD-ROM
drive
to
the
gray
middle
connector.
The
new
drive
will
be
connected
to
the
black
master
IDE
device
connector.
–
Diskette
drive:
The
narrower
signal
cable
has
two
connectors.
One
is
attached
to
the
diskette
drive,
and
the
other
is
attached
to
the
connector
(FDD1)
on
the
system
board.
–
SCSI:
A
round
SCSI
cable
connects
SCSI
devices
to
the
integrated
SCSI
controller
with
RAID
capabilities
on
the
system
board.
For
more
information
about
connecting
SCSI
devices,
see
the
SCSI
documentation.
Installing
memory
modules
Adding
memory
to
your
computer
is
an
easy
way
to
make
programs
run
faster.
You
can
increase
the
amount
of
memory
in
your
computer
by
installing
memory
modules.
Your
IntelliStation
Z
Pro
computer
uses
industry-standard
PC2100
double-data-rate
(DDR)
dual
inline
memory
modules
(DIMMs).
Notes:
1.
The
system
board
contains
four
DIMM
connectors
and
supports
two-way
memory
interleaving.
2.
The
DIMM
options
available
for
your
computer
are
128
MB,
256
MB,
512
MB,
1
GB,
and
2
GB.
Your
computer
supports
a
minimum
of
256
MB
and
a
maximum
of
8
GB
of
system
memory.
3.
The
amount
of
usable
memory
will
be
reduced
depending
on
the
system
configuration.
A
certain
amount
of
memory
must
be
reserved
for
system
resources.
The
BIOS
will
display
the
total
amount
of
installed
memory
and
the
amount
of
configured
memory.
4.
Your
computer
comes
with
two
256
MB
or
512
MB
DIMMs
(for
a
total
of
512
MB
or
1024
MB)
installed
in
the
DIMM
3
and
DIMM
4
memory
connectors.
When
you
install
additional
DIMMs,
be
sure
to
install
them
as
a
pair
in
DIMM
connectors
1
and
2.
5.
DIMMs
must
be
installed
in
matched
pairs.
The
first
pair
of
DIMMs
you
install
in
DIMM
3
and
DIMM
4
memory
connectors
must
be
the
same
size,
speed,
type,
and
technology.
You
can
mix
compatible
DIMMs
from
various
manufacturers.
If
you
install
a
second
pair
of
DIMMs
in
DIMM
1
and
DIMM
2
memory
connectors,
they
do
not
have
to
be
the
same
size,
speed,
type,
and
technology
as
the
DIMMs
you
installed
in
DIMM
3
and
DIMM
4
memory
connectors.
However,
the
size,
speed,
type,
and
technology
of
the
DIMMs
you
install
in
DIMM
1
and
DIMM
2
memory
connectors
must
match
each
other.
6.
Install
only
133
MHz
(memory
bus),
2.5
V,
184-pin,
double-data-rate
(DDR),
PC2100,
registered
synchronous
dynamic
random-access
memory
(SDRAM)
with
error
correcting
code
(ECC)
DIMMs.
These
DIMMs
must
be
compatible
with
the
latest
PC2100
SDRAM
Registered
DIMM
specification.
For
a
list
of
supported
options
for
your
computer,
go
to
http://www.ibm.com/pc/;
then,
select
your
country
and
navigate
to
the
list
of
options
for
your
computer.
26
IBM
IntelliStation
Z
Pro
Type
6221:
Installation
Guide