32
xSeries 440:Option Installation Guide
DIMM considerations:
•
Your xSeries 440 server supports 512 MB and 1 GB DIMMs, for a maximum of 32
GB of system memory depending on your configuration. See the ServerProven list
at http://www.ibm.com/pc/compat/ for a list of memory modules you can use with
your server.
•
Your server comes with four 512 MB DIMMs installed in slots 1, 3, 5, and 7 in the
SMP Expansion Module. When installing additional memory modules, you must
install four DIMMS at a time and in the order described to maintain performance.
(See the following figure for memory connector locations.)
•
When installing or removing DIMMs, it must be done in banks of four and in the
following order:
1.
Bank 1 = DIMM connectors 1, 3, 5, 7
2.
Bank 2 = DIMM connectors 9, 11, 13, 15
3.
Bank 3 = DIMM connectors 2, 4, 6, 8
4.
Bank 4 = DIMM connectors 10, 12, 14, 16
•
Each DIMM in an individual bank must be of the same size and clock speed to
ensure the server will operate properly. For example, in bank 1 your server came
with four 512 MB DIMMs installed. In bank 2, you can install four 512 MB or four 1
GB DIMMs.
•
When using Memory Mirroring, all of the DIMMs in each memory port must be the
same size and clock speed.
•
Memory ports:
— Memory Port one
–
Bank 1 = DIMM connectors 1, 3, 5, 7
–
Bank 3 = DIMM connectors 2, 4, 6, 8
— Memory Port two
–
Bank 2 = DIMM connectors 9, 11, 13, 15
–
Bank 4 = DIMM connectors 10, 12, 14, 16
Bank 1 (standard)
Bank 2
Bank 3
Bank 4
DIMM error
indicators are
built into
each handle.
Summary of Contents for xSeries 440 8687
Page 1: ...Option Installation Guide xSeries 440 Type 8687...
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Page 3: ...IBM xSeries 440 Option Installation Guide SC59 P651 40...
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Page 80: ...IBM Part Number 59P6514 Printed in U S A 59P6514...
