RX100 S7
Upgrade and Maintenance Manual 271
Main memory
Types of memory modules
I Information about different features of the model lines see section "Model
lines for RX100 S7" on page 30.
Modes of operation
Figure 176: 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.
Technology: DDR3 1066 / 1333 / 1600 unbuffered single rank (SR) or
dual rank (DR) UDIMM memory modules with ECC.
Support for up to 4 UDIMM memory modules.
Total memory size: up to 32 GB
Configuration per
channel
Max. speed DIMM-2 DIMM-1
1 DDR3-1333 empty SR/DR
2 DDR3-1333 SR/DR SR/DR
channel
A B
Dual mode
Memory size
channel
AB
Dual mode Single
mode
Dual-channel symmetric mode Dual-channel asymmetric mode
Memory size A
Memory size B
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