IBM 3301690, User Manual

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3301690 CPU Card
Figure 4-7: DIMM Sockets
4.3.3.3 DIMM Module Configurations
CAUTION:
Please adhere to the precautions and configuration options listed in this
section. Failure to adhere to these precautions may lead to CPU card
damage.
„
DO NOT install three memory modules on three DIMM slots. Doing so will
result in unpredictable failures.
„
If only one memory module is installed, install it into the first DIMM slot, i.e.,
DDRII 1.
„
Dual-channel DDR only works in the combinations listed in Table 4-1 .
DDRII 1 (Ch A) DDRII 2 (Ch A) DDRII 3 (Ch B) DDRII 4 (Ch B) Total Capacity
256MB~1GB 256MB~1GB
256MB~1GB 256MB~1GB 512MB~2GB
256MB~1GB 256MB~1GB 512MB~2GB
256MB~1GB 256MB~1GB 256MB~1GB 256MB~1GB 1GB~4GB
Table 4-1: Dual Memory Channel Configuration Options
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