Datasheet

Cisco UCS C240 M3 High-Density Rack Server (Small Form Factor Disk Drive Model)
18
CONFIGURING the SERVER
■ Select from 1 to 12 DIMMs. Refer to Memory Population Rules, page 66, for more detailed
information.
(2) 1-CPU configuration with memory mirroring:
■ Select 2, 4, 6, 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 Tabl e 4 on page 17.
(3) 2-CPU configuration without memory mirroring:
■ Select from 1 to 12 DIMMs per CPU. Refer to Memory Population Rules, page 66, for more
detailed information.
Total
Number
of
DIMMs
CPU 1 DIMM Placement in Channels
(for
identical DIMMs)
Blue Slot
(Slot 1)
Black Slot
(Slot 2)
Black Slots
(Slot 3)
2 (A1, B1) — —
4 (A1,B1); (C1,D1) — —
6
1
Notes . . .
1. Not recommended (for performance reasons)
(A1,B1, C1) (A2, B2, C2) —
8 (A1,B1); (C1,D1) (A2,B2); (C2,D2) —
12
2
2. If this 3DPC configuration is implemented with quad-rank DIMMs (the 32 GB LR DIMM), the
maximum DIMM speed will be 1066 MHz, even though the DIMM is specified to operate at a higher
speed.
(A1,B1); (C1,D1) (A2,B2); (C2,D2) (A3,B3); (C3,D3)