As of November 2002, you can connect two x440 servers together to form one 16-way complex. The two x440 nodes are connected together using all three SMP Expansion Ports as shown in Figure 1-6.

CPU 1 CPU 2 CPU 3 CPU 4

CEC 1

CEC 2

 

 

 

 

1

 

1

CPU 4 CPU 3 CPU 2 CPU 1

 

 

32 MB

 

 

 

 

Processor &

 

L4 cache

 

 

cache controller

 

 

 

 

 

 

 

 

 

 

 

 

 

SDRAM

 

 

 

 

 

 

 

 

 

 

 

 

Memory

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SDRAM

 

 

 

controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SDRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SDRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

2

3

3

Processor &

cache controller

Memory

controller

32 MB

L4 cache

SDRAM

SDRAM

SDRAM

SDRAM

x440 Node 1

PCI bridge

 

PCI bridge

CPU 1 CPU 2 CPU 3 CPU 4

CEC 1

CEC 2

 

 

 

 

1

 

 

 

 

1

CPU 4 CPU 3 CPU 2 CPU 1

 

 

32 MB

 

 

 

 

Processor &

 

L4 cache

 

cache controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SDRAM

 

 

 

 

 

 

 

 

 

 

 

 

Memory

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SDRAM

 

 

 

controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SDRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SDRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

2

3

 

 

3

 

 

SMP Expansion

Ports (3.2GBps)

Processor &

cache controller

Memory

controller

32 MB

L4 cache

SDRAM

SDRAM

SDRAM

SDRAM

x440 Node 2

PCI bridge

 

PCI bridge

Figure 1-6 16-way configuration (four SMP Expansion Modules)

The rear panel of the x440, indicating the location of the SMP Expansion Ports and RXE Expansion Ports, is shown in Figure 1-7 on page 12.

Chapter 1. Technical description

11

Page 25
Image 25
IBM manual X440 Node, Cec