Troubleshooting guide

29
Cisco UCS B200 M3 Blade Server Installation and Service Note
OL-26624-01
Memory and Performance
DIMMs and Channels
Each channel is identified by a letter—A, B, C, D for CPU1, and E, F, G, H for CPU 2. Each DIMM slot
is numbered 0, 1, or 2. Note that each DIMM slot 0 is blue, each slot 1 is black, and each slot 2 is
off-white or beige.
Figure 21 shows how DIMMs and channels are physically laid out on the blade server. The DIMM slots
in the upper and lower right are associated with the second CPU (CPU shown on right in the diagram),
while the DIMM slots in the upper and lower left are associated with the first CPU (CPU shown on left).
Figure 21 Physical Representation of DIMMs and Channels
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CPU 1
CPU 2
C0
C1
C2
D0
D1
D2
B2
B1
B0
A2
A1
A0
E0
E0
E1
E1
E2
E2
F0
F0
F1
F1
F2
F2
E0
E1
E2
F0
F1
F2
H2
H1
H0
G2
G1
G0
Battery