3-24
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
2
CPU2
E1
Blue
26
CPU2
H2
Black
3
CPU3
J1
Blue
27
CPU3
M2
Black
4
CPU4
R1
Blue
28
CPU4
P2
Black
5
CPU1
D1
Blue
29
CPU1
A2
Black
6
CPU2
F1
Blue
30
CPU2
G2
Black
7
CPU3
K1
Blue
31
CPU3
L2
Black
8
CPU4
S1
Blue
32
CPU4
N2
Black
9
CPU1
B1
Blue
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