Specifications

Cisco UCS Cisco UCS C220 M4 High-Density Rack Server (Large Form Factor Disk Drive Model)
16
CONFIGURING the SERVER
(2) 1-CPU configuration with memory mirroring:
■ Select 2, 4, 8, or 12 identical 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 15.
(3) 2-CPU configuration without memory mirroring:
■ Select from 1 to 12 DIMMs per CPU. Refer to Memory Population Rules, page 56, for more
detailed information.
(4) 2-CPU configuration with memory mirroring:
■ Select 2, 4, 8, or 12 identical DIMMs per CPU. The DIMMs will be placed by the factory as
shown in the following table.
Total
Number
of
DIMMs
CPU 1 DIMM Placement in Channels
(for identical dual-rank DIMMs for 3DPC or identical quad-rank DIMMs for 2DPC)
Blue Slots Black Slots White Slots
2 (A1, B1) — —
4 (A1,B1); (C1,D1) — —
8 (A1,B1); (C1,D1) (A2,B2); (C2,D2)
12 (A1,B1); (C1,D1) (A2,B2); (C2,D2) (A3,B3); (C3,D3)
Number
of
DIMMs
per CPU
CPU 1 DIMM Placement in Channels
(for identical dual-rank DIMMs for 3DPC or
identical quad-rank DIMMs for 2DPC)
CPU 2 DIMM Placement in Channels
(for identical dual-rank DIMMs for 3DPC or
identical quad-rank DIMMs for 2DPC)
Blue Slots Black Slots White Slots Blue Slots Black Slots White Slots
2 (A1, B1) — — (E1, F1) — —
4 (A1,B1);
(C1,D1)
— — (E1,F1);
(G1,H1)
— —
8 (CPU1)
and 4
(CPU2)
1
Notes . . .
1. Not recommended (for performance reasons)
(A1,B1);
(C1,D1)
(A2,B2);
(C2,D2)
— (E1,F1) (E2, F2) —
8 (A1,B1);
(C1,D1)
(A2,B2);
(C2,D2)
— (E1,F1);
(G1,H1)
(E2,F2);
(G2,H2)
—
12 (A1,B1);
(C1,D1)
(A2,B2);
(C2,D2)
(A3, B3)
(C3, D3)
(E1,F1);
(G1,H1)
(E2,F2);
(G2,H2)
(E3,F3);
(G3,H3)