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2: System Overview
System Node Board
Processors
Memory DIMMs
22
The system is powered by an scaleable system node board. The system node board
provides a mounting point and connectivity for the processor(s) and memory DIMMs.
The node board connects to the interface board via two connectors on its underside.
These boards are not customer replaceable.
The system is available with one or two 64-bit Intel processors. These processors are
available in different clock speeds and cache sizes. Each processor has on-board cache
memory and external cache memory. Each processor is mounted on the system node
board under a heat-dissipating protective cover. The processors are not customer
replaceable.
The system is configured with a minimum of four DIMMs (2 GB) of memory and a
maximum of 12 DIMMs (24 GB) of memory. Your system uses double data rate
synchronous dynamic random-access memory (DDR SDRAM). The DIMMs are always
installed in groups of four. Each DIMM in a group of four must be the same speed and
memory capacity. Different DIMM groups may have different speed and memory
capacity values. "Installing or Removing a Memory DIMM" in Chapter 3 provides
additional detail on memory DIMMs including removal and replacement rules and
procedures. Figure 2-3 shows the memory DIMM group placement.
007-4772-002
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Table of Contents
Troubleshooting
