FIGURE 4-1A Physical System Board in Uni-XSB Mode on an M4000 Midrange Server

Uni-XSB mode

 

 

 

(1 physical system board with

 

 

 

 

4 CPUs, 32 DIMMs, and I/O)

 

 

 

 

CMU

IOU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU

 

 

 

 

 

 

 

 

 

 

Memory - 8 DIMMs

 

 

 

 

 

I/O device

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I/O device

 

 

 

 

 

 

 

 

 

 

CPU

 

Memory - 8 DIMMs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU

 

Memory - 8 DIMMs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU

 

Memory - 8 DIMMs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FIGURE 4-2A Physical System Board in Uni-XSB Mode on a High-End Server

Uni-XSB mode

 

 

 

(1 physical system board with

 

 

 

 

4 CPUs, 32 DIMMs, and I/O)

 

 

 

 

CMU

IOU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU

 

 

 

 

 

 

 

 

 

 

Memory - 8 DIMMs

 

 

 

 

 

I/O device

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU

 

Memory - 8 DIMMs

 

 

 

 

 

I/O device

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU

 

Memory - 8 DIMMs

 

 

 

 

 

I/O device

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU

 

Memory - 8 DIMMs

 

 

 

 

 

I/O device

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Quad-XSB

A PSB logically divided and configured into four XSBs

Each of the four XSBs contains one-quarter of the total board resources: 1 CPU, 8 DIMMs, and I/O. On a midrange server, only two XSBs have I/O.

Chapter 4 Domain Configuration

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