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10.1.2.2 Mirrored Channel mode
– Same letter represents identical DIMMs (capacity, rank).
– Channels 1A/1B/1C must be populated with identical DIMMs.
– Channels 2A/2B/2C must also contain identical DIMMs but may differ from
1A/1B/1C.
– Channels D-F must be populated accordingly.
– Not all possible configurations will be offered.
CPU
ctrl.
iMC1
channel
F
E
socket
1F
2F
1E
2E
#DIMMs
2
3
4
x
6
x
x
8
x
9
x
x
12
x
x
x
#DIMMs
4
5
6
7
x
8
x
9
x
x
10
x
x
11
x
12
x
x
14
x
15
x
x
16
x
17
x
x
18
x
x
20
x
x
x
21
x
x
x
24
x
x
x
RX2540 M4
CPU1
iMC0
D
A
B
1D
2D 2A
1A
2B
1B
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Upgrade and Maintenance Manual
iMC1
C
M (F)
L (E)
2C
1C 1M
2M
1L
2L
1 CPU populated
x
x
x
x
x
x
x
x
x
x
x
x
x
2 CPUs populated
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Main memory
CPU2
iMC0
K (D)
G (A)
H (B)
1K
2K 2G
1G
2H
1H
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
J (C)
2J
1J
x
x
x
x
x
x
x
x
x
x
x
x
x
335
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