Fujitsu PRIMERGY RX2520 M4

240 Upgrade and Maintenance Manual RX2520 M4
Main memory
10.1.2.3 Rank Sparing mode (Single-Dual Rank Modules)
Figure 142: Rank Sparing mode (Single-Dual Rank Modules)
CPU
channel
# DIMMs
2 11
4 11 11
6 1 11111
4 11 11
6 111 111
8 1111111
10 1 1111 11111
12 1 1 1 11 1 11 11 1
CPU
channel
# DIMMs
2 12
4 1122
6 11 1 22 2
8 1 1 11 22 22
10 1 1111 22222
12 1 11111222222
CPU 1
CPU2
iMC0
iMC1
iMC0
iMC1
M
A
B
C
D
E
F
G
H
J
K
L
1A
1B
1C
1D
1E
1F
1G
1H
1J
1K
1L
1M
1 CPU populated
2 CPUs populated (if all modules are same capacity)
CPU1
CPU2
iMC0
iMC1
iMC0
iMC1
2 CPUs populated (if modules have different capacities)
M
A
B
C
D
E
F
G
H
J
K
L
1F
1A
1B
1C
1K
1L
1M
1G
1H
1J
1D
1E