iSeries Model 820
152 iSeries Handbook
Main Storage
All main storage on the Model 820 is feature main storage and a minimum of two of the same
features must be selected.
These memory features are available on the Model 820:
• #3000 - Migrated 128 MB Main Storage (migrate base CCIN 3002s)
– Supported only on model upgrades from 620, S20, and 720 into the 820.
– Maximum quantity supported is two.
– Supported in quads with #3002.
Note: Each #3000 is to be considered as a #3002 for DIMM plugging.
• #3002 - 128 MB Main Storage
– Supported only; only orderable up to the minimum number of dimms required to meet
a pairing or quad system memory requirement.
– #3002 cannot be mixed with #3009 for pairing or quadding.
• #3009 - 128 MB Main Storage (128 Mb technology)
– #3009 cannot be mixed with #3002 for pairing or quadding.
– Maximum of eight of these DIMMs per system.
• #3004 - 256 MB Main Storage (128 Mb technology)
• #3005 - 512 MB Main Storage (128 Mb technology)
#3005 cannot be mixed with #3006 for pairing or quadding.
• #3006 - 512 MB Main Storage (256 Mb technology)
#3006 cannot be mixed with #3005 for pairing or quadding.
• #3007 - 1 GB Main Storage (256 Mb technology)
For the #2435 processors:
• All main storage DIMMs must be added in pairs of the same capacity and technology.
• There are eight slots available in the base system for main storage DIMMs, which plug
directly onto the processor (Direct Attach) and do not use a #2884 Main Storage
Expansion Card.
For the #0150, #2436, and #2456 processors:
• There are eight slots available in the base system for main storage DIMMs, which plug
directly onto the processor (Direct Attach).
• The DIMMs can be plugged directly into the processor, but if more than eight DIMMs
total are required, a Main Storage Expansion Card #2884 must be used and
all
DIMMs
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