Cisco UCS B250 M1 Kurulum ve Servis Notu - Sayfa 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
Memory Arrangement
The Extended Memory blade server contains 48 slots for installing DIMMs—24 for each CPU. The
DIMMs for each CPU are divided into 3 channels, and each channel contains 4 pairs of DIMM slots (see
Figure
Figure 13
1
Physical DIMMs and Channels
Each channel is identified by a letter: A, B, C for CPU 1, and D, E, F for CPU 2. Each physical DIMM
is identified by numbers from 0 to 7.
Figure 15
The DIMM slots in the right are associated with the right CPU, while the DIMM slots in the left are
associated with the left CPU.
When installing DIMMs, you must add them in matched pairs in the configurations shown in
Table 7
# of DIMMs to Install in a Channel
2
4
8
Cisco UCS B250 Extended Memory Blade Server Installation and Service Note
26
13). You must install additional DIMMs in the pairs laid out in
Memory Slots Within the Extended Memory Blade Server
CPU 2 memory channels D, E, and F
shows how banks and channels are physically laid out on the extended memory blade server.
Adding DIMMs to a Channel
Table 7 on page
2
CPU 1 memory channels A, B, and C
Install DIMMs in Channel Slot numbers
0, 1
(0, 1) – (4, 5)
(0, 1) – (4, 5) – (2, 3) – (6, 7)
26.
Table
7:
OL-22474-03