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The IBM eServer™ z990 microprocessor implements many features designed to give excellent performance on both newer and traditional mainframe applications. These features include a new superscalar instruction execution pipeline, high-bandwidth caches, a huge secondary translation-lookaside buffer (TLB), and an onboard cryptographic coprocessor. The microprocessor maintains zSeries® leadership in RAS (reliability, availability, serviceability) capabilities that include state-of-the-art error detection and recovery.
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