Lenovo System x3950 X6 Quick Start Manual - Page 7

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Figure 5 shows the Intel Xeon E7 memory controller architecture. Note that memory is

populated from the furthest DIMM (Slot 0) to the closest DIMM slot (Slot 2).

Memory

channel 0

Memory

controller 1

Memory

channel 1

Intel

Xeon

processor

Memory

channel 2

Memory

controller 2

Memory

channel 3

Figure 5 Xeon E7 memory controller architecture

Front DIMMs

DDR3 ch 0

Memory

buffer 0

DDR3 ch 1

Slot 2 Slot 1 Slot 0

DDR3 ch 0

Memory

buffer 1

DDR3 ch 1

Slot 2 Slot 1 Slot 0

DDR3 ch 0

Memory

buffer 2

DDR3 ch 1

Slot 2 Slot 1 Slot 0

DDR3 ch 0

Memory

buffer 3

DDR3 ch 1

Slot 2 Slot 1 Slot 0

Lenovo System x3850 X6 and x3950 X6 Quick Start Guide

Back DIMMs

Slot 2 Slot 1 Slot 0