D2759 (TX150 S7) Technical Manual 21
Features Main memory
3.2 Main memory
I You will find the descriptions how to install memory modules in the
Options Guide of your server.
Figure 2: Slots of the main memory
Module population
Figure 3: Dual-channel symmetric and asymmetric mode
– The maximum performance can be achieved in a symmetric dual-channel
configuration. Therefore both channels have to be populated with the same
amount of memory. The DRAM device technology (1Gbit / 2Gbit) may vary
from one channel to the other.
– If the amount of memory differs between the two channels, the system board
will run in dual-channel asymmetric mode.
DIMM1B
DIMM2B
DIMM3B
DIMM1A
DIMM2A
DIMM3A
channe l
A B
D ual m o de
M em ory size
channe l
AB
D ual mode Single
m ode
Dual-channel symmetric mode Dual-channel asymmetric mode
M em ory size A
M em ory size B
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