| Jazz (computer) |
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Information AboutJazz (computer) |
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In part because Microsoft intended NT to be portable between various Microprocessor architectures, the MIPS RISC architecture was chosen for the initial development platform for the NT project in the late 1980s /early 1990s . However, around 1990, the existing MIPS-based systems (such as the Turbochannel -equipped DECstation or the SGI Indigo ) varied drastically from standard Intel Personal Computer s such as the IBM AT —for example, neither used the ISA bus so common in Intel 386 -class machines. For those and other reasons, Microsoft decided to design their own MIPS-based hardware platform on which to develop NT, which resulted in the Jazz architecture. Later, Microsoft sold this architecture design to the MIPS Computer Systems, Inc. where it became the MIPS Magnum R4000. The Jazz architecture includes:
This design was simple enough and powerful enough that a majority of Windows NT-capable MIPS systems were based on modified versions of the Jazz architecture. A list of systems which more or less were based on Jazz includes:
The Jazz systems were designed to partially comply with the Advanced RISC Computing (ARC) standard, and each used the ARC firmware to boot Windows NT. Other operating systems were also ported to various Jazz implementations, such as RISC/os to the MIPS Magnum. There were also some MIPS systems designed to run Windows NT and comply with the ARC standard, but nevertheless were ''not'' based on the Jazz platform:
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