#4454 provides 8 GB DDR Main Storage (DDR1 CCIN 309D) and ships with four 2 GB DIMMs for a total of 8 GB. The 4454-9406 feature provides 8 GB DDR-1 Main Storage for the iSeries Model 570.<p>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 for a Model 570 is 2 GB. The maximum memory capacity depends upon the number of processors ordered for the system and on the type of memory and functionality required.<br /><br />The rules for mixing and matching DIMMs are:<br /></p><ul><li>Install memory DIMMs in quads.</li><li>Quads must be the same DIMM.</li><li>Memory balancing and spreading is required.</li></ul><p>For the #0931 1/2-way server, DIMMs are installed in the following sequence:<br /></p><ul><li>The first quad of DIMMs is plugged into DIMM slots J0A, J0C, J1A, and J1C.</li><li>The second quad of DIMMs is plugged into DIMM slots J0B, J0D, J1B, and J1D.<br /></li></ul><p>For the #0921 2/4-way server, DIMMs are installed in the following sequence:<br /></p><ul><li>Enclosure 1, Processor Card 1: Slots J0A, J0C, J1A, and J1C</li><li>Enclosure 1, Processor Card 2: Slots J0A, J0C, J1A, and J1C</li><li>Enclosure 1, Processor Card 2: Slots J0B, J0D, J1B, and J1D</li><li>Enclosure 1, Processor Card 1: Slots J0B, J0D, J1B, and J1D</li></ul><p>For the #0923 5/8-way server, DIMMs are installed in the following sequence:<br /></p><ul><li>Enclosure 1, Processor Card 1: Slots J0A, J0C, J1A, and J1C</li><li>Enclosure 1, Processor Card 2: Slots J0A, J0C, J1A, and J1C</li><li>Enclosure 2, Processor Card 3: Slots J0A, J0C, J1A, and J1C</li><li>Enclosure 2, Processor Card 4: Slots J0A, J0C, J1A, and J1C</li><li>Enclosure 2, Processor Card 4: Slots J0B, J0D, J1B, and J1D</li><li>Enclosure 2, Processor Card 3: Slots J0B, J0D, J1B, and J1D</li><li>Enclosure 1, Processor Card 2: Slots J0B, J0D, J1B, and J1D</li><li>Enclosure 1, Processor Card 1: Slots J0B, J0D, J1B, and J1D</li></ul><p>For the #0925 9/12-way server, DIMMs are installed in the following sequence:<br /></p><ul><li>Enclosure 1, Processor Card 1: Slots J0A, J0C, J1A, and J1C</li><li>Enclosure 1, Processor Card 2: Slots J0A, J0C, J1A, and J1C</li><li>Enclosure 2, Processor Card 3: Slots J0A, J0C, J1A, and J1C</li><li>Enclosure 2, Processor Card 4: Slots J0A, J0C, J1A, and J1C</li><li>Enclosure 3, Processor Card 5: Slots J0A, J0C, J1A, and J1C</li><li>Enclosure 3, Processor Card 6: Slots J0A, J0C, J1A, and J1C</li><li>Enclosure 3, Processor Card 6: Slots J0B, J0D, J1B, and J1D</li><li>Enclosure 3, Processor Card 5: Slots J0B, J0D, J1B, and J1D</li><li>Enclosure 2, Processor Card 4: Slots J0B, J0D, J1B, and J1D</li><li>Enclosure 2, Processor Card 3: Slots J0B, J0D, J1B, and J1D</li><li>Enclosure 1, Processor Card 2: Slots J0B, J0D, J1B, and J1D</li><li>Enclosure 1, Processor Card 1: Slots J0B, J0D, J1B, and J1D</li></ul>
