Cisco UCS C220 M3 User Manual page 16

CONFIGURING the SERVER
(4) 2-CPU configuration with memory mirroring:
Select 2, 4, 6, or 8 identical DIMMs per CPU. The DIMMs will be placed by the factory as
■
shown in the following table.
Number
of
DIMMs
per CPU
2
4
6
8
Select the memory mirroring option (N01-MMIRROR) as shown in
■
16 Cisco UCS Cisco UCS C220 M3 High-Density Rack Server (Small Form Factor Disk Drive Model)
CPU 1 DIMM Placement in Channels
(for identical dual-rank DIMMs)
Blue Slots
(A1, B1)
(A1,B1); (C1,D1)
(A1,B1); (C1,D1) (A2,B2)
(A1,B1); (C1,D1) (A2,B2); (C2,D2)
NOTE: System performance is optimized when the DIMM type and quantity are equal
for both CPUs.
CPU 2 DIMM Placement in Channels
(for identical dual-rank DIMMs)
Black Slots Blue Slots
(E1, F1)
(E1,F1); (G1,H1)
(E1,F1); (G1,H1)
(E1,F1); (G1,H1)
Black Slots
(E2,F2)
(E2,F2); (G2,H2)
Table 4 on page 14.