Fujitsu PRIMERGY RX2540 M6

10.2.3 DDR4 only - memory population rules
–
Unbalanced configurations can lead to significantly reduced bandwidth
because the system will fracture the memory space into multiple regions.
–
If two DIMM with different capacity are installed in one channel, the one with
higher capacity has to be placed in slot 1 of a channel. E.g. 1A, 1B, ….
–
Rank sparing mode is not supported.
Normal mode
CPU
CPUn
iMC
0
1
2
3
DDR CH
0
1
0
1
0
1
0
1
Slot
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Socket
1
A
2
A
1
B
2
B
1
C
2
C
1
D
2
D
1
E
2
E
1
F
2
F
1
G
2
G
1
H
2
H
#DIMMs
1
D
2
D
D
4
D
D
D
D
6
D
D
D
D
D
D
8 *
D
D
D
D
D
D
D
D
12
D
D
D
D
D
D
D
D
D
D
D
D
12 *
D
D
D
D
D
D
D
D
D
D
D
D
16 *
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
* SGX is supported.
D DDR4 DIMM is installed
Mirroring mode
The DIMM population will exactly be identical for the mirrored channels.
Main memory
RX2540 M6 Upgrade and Maintenance Manual 333