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Lenovo System x3850 X6 and x3950 X6 Quick Start Guide
Table 5 shows the memory population order for both Independent (Performance) mode and
Lockstep (RAS) mode.
Table 5 Memory population order for both Independent (Performance) mode and Lockstep (RAS)
8th
15 & 16
Repeat order, move to Slot1
Front & back
...
18 - 24
Repeat order, move to Slot2
Front & back
Installation
Population sequence
Controller location
Physical location
DIMM installation order
DIMM slots
Performance mode
Perfo mirroring
RAS mode
RAS + mirroring
1
DIMM 9
DIMM 9, 19
DIMM 9, 15
DIMM 1, 9, 15, 19
2
DIMM 6
DIMM 6, 16
DIMM 6, 24
DIMM 6, 10, 16, 24
3
DIMM 1
DIMM 1, 15
DIMM 1, 19
DIMM 2, 8, 14, 20
4
DIMM 10
DIMM 10, 24
DIMM 10, 16
DIMM 5, 11, 17, 23
5
DIMM 15
DIMM 8, 20
DIMM 8, 14
DIMM 3, 7, 13, 21
6
DIMM 24
DIMM 5, 17
DIMM 5, 23
DIMM 4, 12, 18, 22
7
DIMM 19
DIMM 2, 14
DIMM 2, 20
Not applicable
8
DIMM 16
DIMM 11, 23
DIMM 11, 17
....
9
DIMM 8
DIMM 7, 21
DIMM 7, 13
10
DIMM 5
DIMM 4, 18
DIMM 4, 22
11
DIMM 2
DIMM 3, 13
DIMM 3, 21
12
DIMM 11
DIMM 12, 22
DIMM 12, 18
13
DIMM 14
Not applicable
Not applicable
14
DIMM 23
....
....
15
DIMM 20
16
DIMM 17
17
DIMM 7
18
DIMM 4
19
DIMM 3
20
DIMM 12
21
DIMM 13
22
DIMM 22
23
DIMM 21
24
DIMM 18