Fujitsu PRIMERGY RX2540 M6 Upgrade And Maintenance Manual

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

Fujitsu PRIMERGY RX2540 M6 Specifications

General

Memory Slots	32 DIMM slots
Form Factor	2U rack server
Processor	Intel Xeon Scalable Processors (3rd generation)
Storage	Up to 24 x 2.5" or 12 x 3.5" drives
RAID Support	RAID 0, 1, 5, 6, 10
Network	4 x 1GbE ports (onboard), optional 10/25GbE
Power Supply	800 W, 1200 W, 1600 W
Expansion Slots	Up to 8x PCIe Gen4 slots
Operating System Support	Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware
Management	iRMC S5