RX2540 M4
Upgrade and Maintenance Manual
335
Main memory
10.1.2.2 Mirrored Channel mode
– Same letter represents identical DIMMs (capacity, rank).
– Channels 1A/1B/1C must be populated with identical DIMMs.
– Channels 2A/2B/2C must also contain identical DIMMs but may differ from
1A/1B/1C.
– Channels D-F must be populated accordingly.
– Not all possible configurations will be offered.
CPU
CPU1
CPU2
ctrl.
iMC1
iMC0
iMC1
iMC0
channel
F
E
D
A
B
C
M
(F)
L
(E)
K
(D)
G
(A)
H
(B)
J
(C)
socket
1F
2F
1E
2E
1D
2D 2A
1A
2B
1B
2C
1C 1M
2M
1L
2L
1K
2K 2G
1G
2H
1H
2J
1J
#DIMMs
1 CPU populated
2
x
x
3
x
x
x
4
x
x
x
x
6
x
x
x
x
x
x
8
x
x
x
x
x
x
x
x
9
x
x
x
x
x
x
x
x
x
12
x
x
x
x
x
x
x
x
x
x
x
x
#DIMMs
2 CPUs populated
4
x
x
x
x
5
x
x
x
x
x
6
x
x
x
x
x
x
7
x
x
x
x
x
x
x
8
x
x
x
x
x
x
x
x
9
x
x
x
x
x
x
x
x
x
10
x
x
x
x
x
x
x
x
x
x
11
x
x
x
x
x
x
x
x
x
x
x
12
x
x
x
x
x
x
x
x
x
x
x
x
14
x
x
x
x
x
x
x
x
x
x
x
x
x
x
15
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
16
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
17
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
18
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
20
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
21
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
24
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Summary of Contents for PRIMERGY RX2540 M4
Page 40: ...40 Upgrade and Maintenance Manual RX2540 M4 Before you start ...
Page 90: ...90 Upgrade and Maintenance Manual RX2540 M4 Basic hardware procedures ...
Page 136: ...136 Upgrade and Maintenance Manual RX2540 M4 Power supply unit PSU ...
Page 228: ...228 Upgrade and Maintenance Manual RX2540 M4 Hard disk drives HDD and solid state drives SSD ...
Page 344: ...344 Upgrade and Maintenance Manual RX2540 M4 Main memory ...
Page 362: ...362 Upgrade and Maintenance Manual RX2540 M4 Processor CPU ...
Page 390: ...390 Upgrade and Maintenance Manual RX2540 M4 Liquid cooling LC ...
Page 498: ...498 Upgrade and Maintenance Manual RX2540 M4 Additional interfaces ...
Page 572: ...572 Upgrade and Maintenance Manual RX2540 M4 Appendix A ...
Page 574: ...574 Upgrade and Maintenance Manual RX2540 M4 Appendix B ...
Page 582: ...8 RX2540 M4 Basic Serial RS 232 Cable plan System Board D3384 RS 232 onboard RS 232 rear C6 ...
Page 634: ...List of all used screws for PRIMERGY Servers Assembled in Germany and Japan January 2017 ...