Fujitsu PRIMERGY TX2550 M4 - Population Rules

348 Upgrade and Maintenance Manual TX2550 M4
Main memory
10.1.1 Population rules
– Mixing of non-3DS and 3DS RDIMMs is not allowed in the same channel,
across different channels, and across different sockets.
– If DIMMs with different frequencies are mixed in the same channel, all
DIMMs will run at the common lowest frequency.
Figure 244: Population rules
CPU 1
DIMM-1F
DIMM-1E
DIMM-1D
CPU1
DIMM-1A DIMM-1B
DIMM-1C
#DIMMs DIMM-1A DIMM-1B DIMM-1C DIMM-1D DIMM-1E DIMM-1F
1 x
2 x x
3 x x x
4 x x x x
5 x x x x x
6 x x x x x x
CPU 2
DIMM-1M
DIMM-1L
DIMM-1K
CPU2
DIMM-1G
DIMM-1H
DIMM-1J
#DIMMs DIMM-1G DIMM-1H DIMM-1J DIMM-1K DIMM-1L DIMM-1M
1 x
2 x x
3 x x x
4 x x x x
5 x x x x x
6 x x x x x x