IBM 8687 - Eserver xSeries 440, Planning And Installation Manual

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Chapter 1. Technical description
11
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.
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.
SDRAM
32 MB
L4 cache
CPU 1 CPU 2 CPU 3 CPU 4
SDRAM
SDRAM
SDRAM
PCI bridge
SDRAM
32 MB
L4 cache
CPU 1 CPU 2 CPU 3 CPU 4
SDRAM
SDRAM
SDRAM
Memory
controller
PCI bridge
Memory
controller
SMP Expansion
Ports (3.2GBps)
SDRAM
32 MB
L4 cache
CPU 1 CPU 2 CPU 3 CPU 4
SDRAM
SDRAM
SDRAM
PCI bridge
SDRAM
32 MB
L4 cache
CPU 1 CPU 2 CPU 3 CPU 4
SDRAM
SDRAM
SDRAM
Memory
controller
PCI bridge
Memory
controller
CEC 1 CEC 2
1
3
2
1
3
2
1
3
2
1
3
2
Processor &
cache controller
Processor &
cache controller
Processor &
cache controller
Processor &
cache controller
CEC 1
CEC 2
x440 Node 1
x440 Node 2