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Pyramid Technology
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===98x=== The 90x was fairly quickly followed by the 98x which was identical except that the processor clock speed was increased to 10 MHz. Initially a single processor system like its predecessor, the 98x became Pyramid's first [[symmetric multiprocessing|SMP]] in 1986. Several machines in the series were released, from the 1-CPU 9805 to the 4-CPU 9845, over a period of years from 1985 to 1987. The fully loaded 9845 ran at about 25 [[million instructions per second|MIPS]], a respectable figure for the era, though not competitive with high-end [[supercomputer]]s. Addressing the growing but cost-sensitive [[workstation]]/server market, Pyramid introduced the '''WorkCenter''' in 1986, essentially a half-height, lower cost version of the 98x with a horizontally mounted 9-track tape drive and {{convert|8|in|adj=on}} disk drive(s).<ref>{{Cite magazine |last=Connolly |first=James |magazine=Computerworld |url=https://books.google.com/books?id=POjXwPy5eBUC&dq=pyramid+technology+workcenter&pg=PA25 |title=Departemental System Debuts |date=17 February 1986 |publisher=IDG Enterprise |language=en |page=25 |volume=XX |issue=7}}</ref> All early Pyramid 9xxx systems - from the 90x to the 9810 - used the same physical bus and were field upgradeable.<ref>{{Cite web |title=Pyramid 9810 brochure (pdf) |year=1986 |url=https://archive.computerhistory.org/resources/access/text/2015/07/102664506-05-01-acc.pdf |access-date=15 January 2022 |via=Computer History Archive}}</ref>
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