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.