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Macintosh IIvx
The Macintosh IIvx (code name Brazil) is the last of the Macintosh II series of Macintosh computers from Apple Computer. The IIvx included either a 40, 80, 160 or 400 MB hard drive, three NuBus slots, and a Processor Direct Slot. It was the first Macintosh to have a metal case and the first case design of any personal computer to provide for an internal CD-ROM drive. An internal double-speed CD-ROM drive which used a disc caddy was available as an option from Apple.
==History==
The Mac IIvx began its life in development as a proof-of-concept to see how an internal CD-ROM drive could be added to a Mac. But after Apple CEO John Sculley gave a speech at MacWorld Tokyo which promised a Mac with a CD-ROM drive, the IIvx was rushed into production. Several shortcuts were taken in its design; most notably, its 32 MHz processor was crippled by a 16 MHz bus, making it slightly slower than the popular but aging Macintosh IIci.〔(【引用サイトリンク】publisher=Low End Mac )〕 Its serial port was limited to 57.6 kbit/s, which could cause problems with serial connections and MIDI hardware. The Macintosh IIvi (a slower version of the IIvx with a 16MHz processor) was introduced at the same time but discontinued only four months later. The high-end member of the original Performa family, the Performa 600 was also based on the same architecture. The IIvx was the only model in the series with a 32K L2 cache.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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