iSeries Model 570 147
Draft Document for Review October 18, 2004 5486m570.fm
#3046 - 2 GB Main Storage DIMM (DDR - 256 Mb technology, stacked, CCIN
3046) four are required *
#4452 - 2 GB DDR Main Storage (DDR1 CCIN 309D)
Ships four 512 MB DIMMs for a total of 2 GB
#4454 - 8 GB DDR Main Storage (DDR1 CCIN 30AA)
Ships four 2 GB DIMMs for a total of 8 GB
#4490 - 4 GB DDR Main Storage (DDR1 CCIN 309E)
Ships four 1 GB DIMMs for a total of 4 GB
#4491 - 16 GB DDR Main Storage (DDR1 CCIN 30B3)
Ships four 4 GB DIMMs for a total of 16 GB
#4492 - 32 GB DDR Main Storage (DDR1 CCIN 30F7)
Ships four 8 GB DIMMs for a total of 32GB
Only supported on #8971 Processor (CCIN 26F2)
The Model 570 offers pluggable DIMMs for memory. Each 0/2-way processor
card contains eight slots for up to eight pluggable DIMMs. The minimum memory
for a 9406 Model 570 is 2 GB. The maximum memory capacity depends on the
number of processors ordered for the system and on the type of memory and
functionality required.
The main storage cards are installed according to the following rules. There are
no restrictions for mixing and matching DIMMs other than:
Memory DIMMs must be installed in quads.
Quads must all be the same DIMM.
DIMMs are plugged, by quad, in either of the following sequences:
J0A, J0C, J1A, J1C
J0B, J0D, J1B, J1D
Memory Spreading and Balancing
Performance measurements have determined that optimal performance requires
both spreading of memory across processors and balancing memory across
processors. The following rules should be followed for Model 570 memory.
Note: We recommend that you perform memory balancing. You must order
sufficient memory to balance memory across processors.
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