HP 3000(redirected from E3000)
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HP 3000A family of business-oriented servers from HP that ran under the MPE/iX operating system. Models were available from entry level to mainframe class. Introduced in 1972, the HP3000A was HP's first business computer. With 128KB of RAM and costing about USD $250,000, it set a standard for reliability that was unmatched for that era.
In 1986, the line began to migrate to HP's PA-RISC chips, while maintaining compatibility with the original CPUs. Over the years, HP 3000s migrated from the central minicomputer architecture to client/server, in which intelligent workstations and PCs have replaced the dumb terminal. Later named the e3000 server, production of this venerable product line ended in 2004.