PAGE 1 EMBEDTEK.NET Problem Scope In an embedded computer, a high speed bus or other interconnects link PCI boards, memory modules and other components. We investigated the factors that affect reliability of these connections, and looked for ways to eliminate problem areas. The real issues start for our customers when the failure of a relatively simple computer cascades to the expensive and critical OEM device. These failure modes are frustrating for the end users, and can tarnish the reputation of the OEM of the larger system. Patients in a hospital may have to reschedule critical tests, soldiers may not receive training, and manufacturing lines can be brought to a stop. Further compounding the potential problem, many OEM customers use racks/clusters of systems to serve

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