Chapter 1 25
Maximizing Performance
Optimal configurations for highest performance:
TMatched, DDR400, Double-sided DIMMs
TDual Channel Mode (Symmetrical DIMM population)
TMatched, DDR400, Dual Channel Mode
When not using DDR400, highest performing configuration:
TSymmetrical DIMM population with matched double-sided DIMMs
TLightly loaded memory population aids in higher performance
Tx8 Bus Width and lower DIMM cache latency also assists in higher performance
Dual Channel memory configuration provides higher performance than Single Channel configurations
Matched DIMMs need to have identical density, DRAM technology, DRAM bus width, and equal number of
memory banks
Optimal platform performance with Dual Channel, DDR400, matched DIMMs
TFully loaded configurations can be single or double-sided DIMMs
TLightly loaded configurations need to be double-sided DIMMs
When not using DDR400, best performance obtained with
TSymmetrical DIMM population and matched double-sided DIMMs
TLightly loaded configuration
MCH
Ch A Ch B
MCH
Ch A Ch B
MCH
Ch A Ch B
MCH
Ch A Ch B
or

Lightly Loaded Config

MCH
Ch A Ch B
MCH
Ch A Ch B or
MCH
Ch A Ch B
MCH
Ch A Ch B
Fully Loaded Config
MCH
Ch A Ch B
MCH
Ch A Ch B
MCH
Ch A Ch B
MCH
Ch A Ch B

or