Cisco UCS B440 Installatie en onderhoud - Pagina 26
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Memory and Performance
S e n d d o c u m e n t c o m m e n t s t o u c s - d o c f e e d b a c k @ c i s c o . c o m
This server does not support odd numbers of DIMMs in a channel, or a configuration of 6 DIMMs per
Note
CPU. These are the only three supported DIMM configurations. The DIMMs are sold in matched pairs
which must be installed in the pairs shown in
a CPU will lead to memory errors.
Figure 14
C0
D0
A0
B0
Figure 15
Figure 15
DIMMs can be used in the High-performance blade server using the slot pairs described in
Memory Performance
When configuring your server, consider the following.
•
•
Cisco UCS B440 High Performance Blade Server Installation and Service Note
26
Physical Representation of DIMMs for a CPU
shows a logical view of the channels.
Logical Representation of Channels
DIMM A1
CPU
DIMM B1
DIMM A0
DIMM B0
DIMM C1
DIMM D1
DIMM C0
DIMM D0
DIMMs within the blade server can be of a different size, but mixing speeds will cause the faster
DIMMs to run at the speed of the slower DIMMs.
Your selected CPU(s) can have some affect on performance. If two CPUs are used, both must be of
the same type.
Table
8. Mixing pairs , even otherwise identical sets, within
D1
C1
B1
A1
Table
8.
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