Cisco UCS B200 M4 Blade Server
40
SUPPLEMENTAL MATERIAL
CPUs and DIMMs
Physical Layout
Memory is organized as shown in Figure 8.
Figure 8 UCS B200 M4 Memory Organization
Each CPU controls four memory channels (A, B, C, D) with three slots (1, 2, 3) within each channel:
■ CPU1: Channels A, B, C, and D
— Slot 1 - A1, B1, C1, and D1 (blue DIMM slots)
— Slot 2 - A2, B2, C2, and D2 (black DIMM slots)
— Slot 3 - A3, B3, C3, and D3 (white DIMM slots)
■ CPU2: Channels E, F, G, and H
— Slot 1 - E1, F1, G1, and H1 (blue DIMM slots)
CPU 2
24 DIMMS
1536 GB maximum memory (with 64 GB DIMMs)
4 memory channels per CPU,
up to 3 DIMMs per channel
A1 A2 A3
B1 B2 B3
C1 C3C2
Chan B
Chan A
Chan C
Chan D
Chan E
Chan F
Chan G
Chan H
D1 D3D2
CPU 1
Slot 2
Slot 3
Slot 1
Slot 2
Slot 1
Slot 3
E2 E1E3
F2F3 F1
G2 G1G3
H2 H1H3
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