152
Upgrade and Maintenance Manual
BX924
S4
Main memory
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1.
fm
8.1.1.3
Mirrored Channel and Performance modes
Using a Xeon E5-2637v2 or a Xeon E5-2643v2
Notes on Mirrored Channel and Performance modes
– Always populate memory modules in multiples of 4.
– Same numbers mean identical modules (capacity, rank).
– **DIMM cannot be installed in DIMM slot 3B and DIMM slot 3D
2
U
P
C
1
U
P
C
U
P
C
Channel
A B D C E F H G
DIMM
1A 2A
3A
1B 2B
3B
1D 2D
3D
1C 2C
3C
1E 2E
3E
1F 2F
3F
1H 2H
3H
1G 2G
3G
n
o
it
a
r
u
g
if
n
o
c
U
P
C
o
n
o
M
s
M
M
I
D
#
4
1
1
1
1
8
1
2
1
2
1
2
1
2
12
1
2
3
1
2
3
1
2
3
1
2
3
n
o
it
a
r
u
g
if
n
o
c
U
P
C
l
a
u
D
s
M
M
I
D
#
8
1
1
1
1
2
2
2
2
12
1
3
1
3
1
3
1
3
2
2
2
2
16
1
3
1
3
1
3
1
3
2
4
2
4
2
4
2
4
20
1
3
5
1
3
5
1
3
5
1
3
5
2
4
2
4
2
4
2
4
24
1
3
5
1
3
5
1
3
5
1
3
5
2
4
6
2
4
6
2
4
6
2
4
6
1A 2A
3A
1B 2B 3B 1D 2D 3D 1C 2C
3C
1E 2E
3E
1F 2F
3F
1H 2H
3H
1G 2G
3G
**
**
1
1
1
1
1
2
1
2
1
2
1
2
1
1
1
1
2
2
2
2
1
3
1
3
1
3
1
3
2
2
2
2
1
3
1
3
1
3
1
3
2
4
2
4
2
4
2
4
1
3
1
3
1
3
1
3
2
4
5
2
4
5
2
4
5
2
4
5
Mono CPU populated
4
8
12
16
20
CPU2
channel
A
B
D
C
E
F
H
G
CPU1
DIMM slot
# DIMMS
Dual CPUs populated
8
CPU