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Cisco UCS C420 Server Installation and Service Guide
OL-27640-01
Chapter 3 Maintaining the Server
Installing or Replacing Server Components
Table 3-5 DIMM Population For 4-CPU System Optimum Performance
# of DIMMs
Installed CPU
DIMM
Socket Color
# of DIMMs
Installed CPU
DIMM
Socket Color
First: 1 CPU1 C1 Blue
25 CPU1 B2 Black
2CPU2E1Blue
26 CPU2 H2 Black
3CPU3J1Blue
27 CPU3 M2 Black
4CPU4R1Blue
28 CPU4 P2 Black
5CPU1D1Blue
29 CPU1 A2 Black
6CPU2F1Blue
30 CPU2 G2 Black
7CPU3K1Blue
31 CPU3 L2 Black
8CPU4S1Blue
32 CPU4 N2 Black
9CPU1B1Blue
33 CPU1 C3 Black
10 CPU2 H1 Blue
34 CPU2 E3 Black
11 CPU3 M1 Blue
35 CPU3 J3 Black
12 CPU4 P1 Blue
36 CPU4 R3 Black
13 CPU1 A1 Blue
37 CPU1 D3 Black
14 CPU2 G1 Blue
38 CPU2 F3 Black
15 CPU3 L1 Blue
39 CPU3 K3 Black
16 CPU4 N1 Blue
40 CPU4 S3 Black
17 CPU1 C2 Black
41 CPU1 B3 Black
18 CPU2 E2 Black
42 CPU2 H3 Black
19 CPU3 J2 Black
43 CPU3 M3 Black
20 CPU4 R2 Black
44 CPU4 P3 Black
21 CPU1 D2 Black
45 CPU1 A3 Black
22 CPU2 F2 Black
46 CPU2 G3 Black
23 CPU3 K2 Black
47 CPU3 L3 Black
24 CPU4 S2 Black
Last: 48 CPU4 N3 Black