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Main memory
8.1.1.3
Mirrored Channel and Performance modes
C
P
U
Channel
A
DIMM
1A 2A
3A
#
I D
M
M
s
4
1
8
1
2
12
1
2
3
#
I D
M
M
s
8
1
12
1
3
16
1
3
20
1
3
5
24
1
3
5
Using a 130 W CPU (4 core) or a 135 W CPU (8 core)
CPU
channel
A
DIMM slot
1A 2A
3A
# DIMMS
4
1
8
1
2
8
1
12
1
3
16
1
3
20
1
3
Notes on Mirrored Channel and Performance modes
– Always populate memory modules in multiples of 4.
– Same numbers mean identical modules (capacity, rank).
– UDIMMs are not supported in Mirrored Channel mode.
– **DIMM cannot be installed in DIMM slot 3B and DIMM slot 3D
160
C
P
U
1
B
D
1B 2B
3B
1D 2D
3D
M
1
1
1
2
1
2
1
2
3
1
2
3
D
1
1
1
3
1
3
1
3
1
3
1
3
5
1
3
5
1
3
5
1
3
5
CPU1
B
D
1B 2B 3B 1D 2D 3D 1C 2C
**
**
Mono CPU populated
1
1
1
2
1
2
Dual CPUs populated
1
1
1
3
1
3
1
3
1
3
1
3
1
3
Upgrade and Maintenance Manual
C
E
1C 2C
3C
1E 2E
3E
o
n
o
C
P
U
c
o
f n
g i
r u
t a
o i
n
1
1
2
1
2
3
u
l a
C
P
U
c
o
f n
g i
r u
t a
o i
n
1
2
1
3
2
1
3
2
4
1
3
5
2
4
1
3
5
2
4
6
C
E
3C
1E 2E
3E
1
1
2
1
2
1
3
2
1
3
2
4
1
3
2
4
5
C
P
U
2
F
H
1F 2F
3F
1H 2H
3H
1G 2G
2
2
2
2
2
4
2
4
2
4
2
4
2
4
6
2
4
6
CPU2
F
H
1F 2F
3F
1H 2H
3H
2
2
2
2
2
4
2
4
2
4
5
2
4
5
BX924 S3
G
3G
2
2
2
4
2
4
2
4
6
G
1G 2G
3G
2
2
2
4
2
4
5
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