Fujitsu PRIMERGY RX2520 M4, Upgrade And Maintenance Manual, Page: 239 / 456

RX2520 M4
Upgrade and Maintenance Manual 239
Main memory
Mirrored Channel mode with different modules
– Modules with same numbers must be identical.
– Different numbers may designate different modules but can also be
identical; e.g "1" is a 8GB module and "2" is a 16GB module or also a 8GB
module.
Figure 141: Mirrored channel mode with different modules
CPU
channel
# DIMMs
2
1 1
3
1 1 1
4
1 1 2 2
5
1 1 1 2 2
6
1 1 1 2 2 2
4
1 1 2 2
5
1 1 1 2 2
6
1 1 1 2 2 2
7
1 1 2 2 3 3 3
8
1 1 2 2 3 3 4 4
9
1 1 1 2 2 3 3 4 4
10
1 1 1 2 2 3 3 3 4 4
11
1 1 1 2 2 2 3 3 3 4 4
12
1 1 1 2 2 2 3 3 3 4 4 4
CPU 1 CPU2
iMC0 iMC1 iMC0 iMC0
M A B C D E F G H J K L
1E 1F 1A 1B 1C
1 CPU populated
2 CPU populated
1K 1L 1M 1G 1H 1J 1D