Lenovo System x3850 X6 - Page 9

Lenovo System x3850 X6 and x3950 X6 Quick Start Guide 9
Table 2 shows the memory layout.
Table 2 Memory layout
Table 3 shows the Independent mode population sequence.
Table 3 Independent mode population sequence
Table 4 shows the Lockstep (RAS) mode population sequence.
Table 4 Lockstep (RAS) mode population sequence
CPU memory channel DDR3 channel DIMM number DDR3 slot number
Channel 0 DDR3 Channel 0 9, 8, 7 0, 1, 2
DDR3 Channel 1 15, 14, 13 0, 1, 2
Channel 1 DDR3 Channel 0 19, 20, 21 0, 1, 2
DDR3 Channel 1 1, 2, 3 0, 1, 2
Channel 2 DDR3 Channel 0 6, 5, 4 0, 1, 2
DDR3 Channel 1 24, 23, 22 0, 1, 2
Channel 3 DDR3 Channel 0 16, 17, 18 0, 1, 2
DDR3 Channel 1 10, 11, 12 0, 1, 2
Installation Population sequence DIMM number DDR3 slot number
1st 1 SMI0, Channel0, Slot0 Front
2nd 2 SMI2, Channel0, Slot0 Front
3rd 3 SMI1, Channel1, Slot0 Front
4th 4 SMI3, Channel1, Slot0 Front
5th 5 SMI0, Channel1, Slot0 Back
6th 6 SMI2, Channel1, Slot0 Back
7th 7 SMI1, Channel0, Slot0 Back
8th 8 SMI3, Channel0, Slot0 Back
... 9 - 16 Repeat order, move to Slot1 Four front, four back
... 17 - 24 Repeat order, move to Slot 2 Four front, four back
Installation Population sequence Controller location Physical location
1st 1 & 2 SMI0, Channel0, Slot0 & SMI0, Channel1, Slot0 Front & back
2nd 3 & 4 SMI2, Channel0, Slot0 & SMI2, Channel1, Slot0 Front & back
3rd 5 & 6 SMI1, Channel1, Slot0 & SMI1, Channel0, Slot0 Front & back
4th 7 & 8 SMI3, Channel1, Slot0 & SMI3, Channel0, Slot0 Front & back
5th 9 & 10 Repeat order, move to Slot1 Front & back
6th 11 & 12 Repeat order, move to Slot1 Front & back
7th 13 & 14 Repeat order, move to Slot1 Front & back