Datasheet

Cisco UCS B420 M4 Blade Server
SUPPLEMENTAL MATERIAL
39
DIMM and CPU Layout
Memory is organized as shown in Figure 8.
Figure 8 UCS B420 M4 Memory Organization
CPU 1 CPU 2
48 DIMMS
4 memory channels per CPU
3 DIMMs per channel
CPU 3 CPU 4
Channel A
Channel B
Channel C
Channel D
Channel E
Channel F
Channel G
Channel H
Channel M
Channel N
Channel O
Channel P
Channel I
Channel J
Channel K
Channel L
A1A2A3
B3
C3
D3
I3
J3
K3
I3
M3
N3
O3
P3
E3
F3
G3
H3
B1B2
C1C2
D1D2
Bank 1 Bank 2 Bank 3
E1 E2
F1 F2
G1 G2
H1 H2
Bank 1 Bank 2 Bank 3
Bank 1 Bank 2 Bank 3
M1 M2
N1 N2
O1 O2
P1 P2
I1I2
J1J2
K1K2
I1I2
Bank 1 Bank 2 Bank 3