IBM 88554RU Installation Guide - Page 20
System assembly, This is located to the right of the midplane board and above
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1.3 System assembly The x455 has a similar internal design to the x450. The midplane board (viewed from the front) interfaces with three major assemblies: The processor-board assembly This is located to the right of the midplane board and under the memory-board assembly. It houses the Itanium 2 processors, Cache and Scalability Controller, and the 64 MB of Xcel4 cache. The memory-board assembly This is located to the right of the midplane board and above the processor-board assembly. It houses the memory and memory controller. The PCI-X board assembly This is located to the left of the midplane board. It houses all the PCI-X slots and all other I/O components. 6 IBM xSeries 455 Planning and Installation Guide Eserver
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6
IBM
Eserver
xSeries 455 Planning and Installation Guide
1.3
System assembly
The x455 has a similar internal design to the x450. The midplane board (viewed
from the front) interfaces with three major assemblies:
±
The processor-board assembly
This is located to the right of the midplane board and under the
memory-board assembly. It houses the Itanium 2 processors, Cache and
Scalability Controller, and the 64 MB of Xcel4 cache.
±
The memory-board assembly
This is located to the right of the midplane board and above the
processor-board assembly. It houses the memory and memory controller.
±
The PCI-X board assembly
This is located to the left of the midplane board. It houses all the PCI-X slots
and all other I/O components.