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The Texas Instruments Hexbus Interface was designed in 1982 and intended for commercial release in late 1983. It connected the console to peripherals via a high-speed serial link. Though it was prototypical to today's USB (plug and play, hot-swappable, etc.), it was never released, with only a small number of prototypes appearing in collector hands after TI pulled out of the market. Several Hexbus peripherals were planned or produced. A WaferTape drive never made it past the prototype stage due to reliability issues with the tapes. The 5.25-inch Floppy drive also never made it past the prototype stage, even though it worked.〔()〕 Prototype DSDD disk controllers and Video controllers were also made.〔()〕 A 4-color Printer-Plotter, a 300-Baud Modem, RS-232 Interface, an 80 column thermal/ink printer, and a 2.8" "Quick Disk" drive were the only peripherals released in quantity, mostly for use with the TI CC-40. All Hexbus peripherals could be used with a TI-99/4A when connected through the Hexbus Interface, through direct connection to the TI-99/8, or through direct connection to the Texas Instruments Compact Computer 40. ==Devices== *RS232 interface *Printer 80 *Quick Disk QD-02 *HX-1000 Printer/Plotter 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hexbus」の詳細全文を読む スポンサード リンク
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