Lenovo System x3850 X6 Quick Start Manual page 9

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