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For more information about the features of the Itanium 2 processor, go to:
http://www.intel.com/design/itanium2
1.5 System assembly
Unlike the x440, then x450 does not use a single SMP Expansion Module, which
contains the processors, memory, XceL4 Server Accelerator Cache, and
respective controller. Instead, there are now two separate assemblies:
A single memory-board assembly, located at the top of the system, which
contains the physical DIMM's as well as the memory and I/O controller
A single processor-board assembly, located at the bottom of the system,
which contains the processors, XceL4 Server Accelerator Cache, and L4
Cache/Scalability Controller
See Figure 1-7 on page 14 for the location of the memory-board and
processor-board assemblies.
Tip: Be careful when removing or installing either the memory-board
assembly or the processor-board assembly, because it is possible to damage
the midplane.
Chapter 1. Technical description
13
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