Cisco UCS C220 M3 - Page 16

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