Lenovo System x3850 X6 Quick Start Manual page 7

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
Slot 2 Slot 1 Slot 0
Slot 2 Slot 1 Slot 0
Slot 2 Slot 1 Slot 0
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