Cisco UCS C240 M3 - Page 15

Cisco UCS C240 M3 High-Density Rack Server (Small Form Factor Disk Drive Model)
CONFIGURING the SERVER
15
■ Select 4, 6, 8, or 12 DIMMs. 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.
(3) 2-CPU configuration without memory mirroring:
■ Select from 1 to 12 DIMMs per CPU. Refer to Memory Population Rules, page 50, for more
detailed information.
(4) 2-CPU configuration with memory mirroring:
■ Select 4, 6, 8, or 12 DIMMs per CPU. The DIMMs will be placed by the factory as shown in the
following table. Note that all DIMMs are identical.
■ Select the memory mirroring option (N01-MMIRROR) as shown in Table 4 on page 14.
Number of
DIMMs
DIMM Placement in Channels
4 Identical DIMMs in A1, A2; B1, B2
6 Identical DIMMs in A1, A2, A3; B1, B2, B3
8 Identical DIMMs in A1, A2, A3; B1, B2, B3; C1, and D1
12 Identical DIMMs in all 12 slots
Number of
DIMMs per
CPU
DIMM Placement in Channels
(all DIMMs are identical)
CPU 1 CPU 2
4 A1, A2; B1, B2 E1, E2; F1, F2
6 A1, A2, A3; B1, B2, B3 E1, E2, E3; F1, F2, F3
8 A1, A2, A3; B1, B2, B3; C1, D1 E1, E2, E3; F1, F2, F3; G1, and H1
12 A1, A2, A3; B1, B2, B3;
C1, C2, C3; D1, D2, D3
E1, E2, E3; F1, F2, F3;
G1, G2, G3; H1, H2, H3
NOTE: System performance is optimized when the DIMM type and quantity are equal
for both CPUs.