IBM 86884RX Maintenance Manual - Page 108

Installing, memory

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4. Using the tab, pull the CD-ROM or DVD-ROM drive partially out of the server; then, grasp the drive and remove it from the server. 5. If you have other options to install or remove, do so now. Otherwise, connect the external devices and power cords and turn on the server. Installing memory The following notes describe the types of dual inline memory modules (DIMMs) that your server supports and other information that you must consider when installing DIMMs: v Your server supports 512 MB, 1 GB, and 2 GB DIMMs, for a maximum of 40 GB of system memory. Your server supports up to twenty-eight 2.5 V, 184 pin, PC2100, ECC DDR SDRAM, 133 MHZ DIMMs. Go to the ServerProven® list at http://www.ibm.com/pc/compat/ for a list of memory modules you can use with your server. v Your server supports a maximum of only 20 DIMMs (10 per port) if any connector contains a 2 GB DIMM. Your server supports a maximum of 28 DIMMs (14 per port) if only 512 MB and 1 GB DIMMs are installed. v Your server comes with a minimum of two 512 MB DIMMs, installed in slots 1 and 14. When installing additional DIMMs, you must install two DIMMS at a time, in the order shown in the following table to maintain performance. Table 8. DIMM installation sequence Pair DIMM connectors (Port 1) 1 1 and 14 3 4 and 11 5 2 and 13 7 5 and 10 9 3 and 12 11 6 and 9 13 7 and 8 Pair DIMM connectors (Port 2) 2 15 and 28 4 18 and 25 6 16 and 27 8 19 and 24 10 17 and 26 12 20 and 23 14 21 and 22 Port 1 Port 2 DIMM error LEDs are built into each handle v Each DIMM in a pair must be of the same size and technology to ensure that the server will operate properly. 98 IBM xSeries 450 Type 8688: Hardware Maintenance Manual and Troubleshooting Guide

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4.
Using
the
tab,
pull
the
CD-ROM
or
DVD-ROM
drive
partially
out
of
the
server;
then,
grasp
the
drive
and
remove
it
from
the
server.
5.
If
you
have
other
options
to
install
or
remove,
do
so
now.
Otherwise,
connect
the
external
devices
and
power
cords
and
turn
on
the
server.
Installing
memory
The
following
notes
describe
the
types
of
dual
inline
memory
modules
(DIMMs)
that
your
server
supports
and
other
information
that
you
must
consider
when
installing
DIMMs:
v
Your
server
supports
512
MB,
1
GB,
and
2
GB
DIMMs,
for
a
maximum
of
40
GB
of
system
memory.
Your
server
supports
up
to
twenty-eight
2.5
V,
184
pin,
PC2100,
ECC
DDR
SDRAM,
133
MHZ
DIMMs.
Go
to
the
ServerProven
®
list
at
for
a
list
of
memory
modules
you
can
use
with
your
server.
v
Your
server
supports
a
maximum
of
only
20
DIMMs
(10
per
port)
if
any
connector
contains
a
2
GB
DIMM.
Your
server
supports
a
maximum
of
28
DIMMs
(14
per
port)
if
only
512
MB
and
1
GB
DIMMs
are
installed.
v
Your
server
comes
with
a
minimum
of
two
512
MB
DIMMs,
installed
in
slots
1
and
14.
When
installing
additional
DIMMs,
you
must
install
two
DIMMS
at
a
time,
in
the
order
shown
in
the
following
table
to
maintain
performance.
Table
8.
DIMM
installation
sequence
Pair
DIMM
connectors
(Port
1)
Pair
DIMM
connectors
(Port
2)
1
1
and
14
2
15
and
28
3
4
and
11
4
18
and
25
5
2
and
13
6
16
and
27
7
5
and
10
8
19
and
24
9
3
and
12
10
17
and
26
11
6
and
9
12
20
and
23
13
7
and
8
14
21
and
22
Port 1
Port 2
DIMM error LEDs
are built into each handle
v
Each
DIMM
in
a
pair
must
be
of
the
same
size
and
technology
to
ensure
that
the
server
will
operate
properly.
98
IBM
xSeries
450
Type
8688:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide