TX140 S1
Upgrade and Maintenance Manual
295
Main memory
10.1.2 Operation modes
– 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 (1 Gbit / 2 Gbit / 4 Gbit)
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.
– Regardless of the mode, all DIMMs will run at the highest common
frequency that is allowed by the SPD Data of the DIMMs and the maximum
speed of the selected configuration.
– Single-channel mode is used if one memory module is populated in
DIMM 1A.
Channel
A
B
Slot ID
2A
1A
2B
1B
DIMM #
1
o
2
o
o
3
o
o
o
4
o
o
o
o
Table 8: Mounting order - Mirrored Channel Mode: Single CPU
Summary of Contents for PRIMERGY TX140 S1
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Page 40: ...40 Upgrade and Maintenance Manual TX140 S1 Before you start ...
Page 204: ...204 Upgrade and Maintenance Manual TX140 S1 Hard disk drives solid state drives ...
Page 292: ...292 Upgrade and Maintenance Manual TX140 S1 Expansion cards and backup units ...
Page 306: ...306 Upgrade and Maintenance Manual TX140 S1 Main memory ...
Page 370: ...370 Upgrade and Maintenance Manual TX140 S1 Accessible drives ...
Page 414: ...414 Upgrade and Maintenance Manual TX140 S1 Front panel and external connectors ...
Page 472: ...472 Upgrade and Maintenance Manual TX140 S1 System board and components ...
Page 568: ...568 Upgrade and Maintenance Manual TX140 S1 Cabling ...