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The IBM System z9™, introduced on September 16, 2005, extends mainframe capabilities with advances in silicon technology, electronic packaging, virtualization, and reliability, availability, and serviceability (RAS), to name a few. Just over a year after its introduction, more than 1,200 Enterprise Class (EC, formerly z9-109) and 600 Business Class (BC) systems have been shipped, evidence that the new technologies are resonating within the mainframe computing arena.
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