5486m810.fm Draft Document for Review October 18, 2004
200 IBM Eserver i5 and iSeries System Handbook
#3024 - 256 MB Main Storage (128 Mb technology) (unstacked)
#3025 - 512 MB Main Storage (128 Mb technology) (stacked)
Cannot be mixed with #3026 for pairing or quadding.
#3026 - 512 MB Main Storage (256 Mb technology) (unstacked)
Cannot be mixed with #3025 for pairing or quadding.
#3027 - 1 GB Main Storage (256 Mb technology) (stacked)
#3029 - 128 MB Main Storage (128 Mb technology) (unstacked)
– Cannot be mixed with #3022 for pairing or quadding.
– Maximum of eight #3029 allowed on a system.
Memory in the #2469 Model 810 is not compatible and does not migrate to the
Model 870.
Configuration considerations include:
A base CCIN 2884 Memory Expansion Card with 16 DIMM slots is included.
All main storage DIMM features plug into this card.
A minimum of two DIMMS (same feature code and technology) must be
selected. If more than two DIMMs are required, all memory features must be
in sets of four (quads), including making a quad out of the initial pair. Each
DIMM in the set of four must be of the same feature code and technology.
All DIMMs must be plugged in quads starting from the outer four corners
going toward the center (for example A, B, C, D, then E, F, G, H). The
exception allows a single set of two main storage DIMMs if these are the only
two on the system.
Mixing quad “groups” on the same riser card is allowed, including mixing
stacked (#3025) and unstacked (#3024) memory technology.
9406 Model 810 schematics
The following diagrams show the slot and feature card arrangement of the Model
810 system unit, processor, memory cards, and supported expansion units.
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