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Table 1. Hardware components for minimal nodes

ComponentJustification
Pentium-II 300MHz processorPeak performance/cost for this configuration
CPU fanRequired for Pentium-II
LX motherboardLeast expensive chipset supporting 300MHz
ATX tower caseIncludes power supply for Pentium-II, etc.
32MB SDRAM8MB RAM disk plus sufficient memory for our code
PCI 10MB Ethernet cardLow bandwidth Master-Node communication only
32KB EPROMLeast expensive boot option
3-ft Coaxial cableSimple network without repeaters or hubs