Hayes Chronograph

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From the days when "real time clock" meant the thing hanging on the wall in the kitchen (and nobody had heard of Microsoft) comes the Hayes Stack Chronograph. With the same distinctive styling as the original Hayes modem, it was basically a digital clock with a serial port on the back and a battery-backup system. Using a special set of Hayes "AT" commands from a computer, you could set or read the day, date, and time, or set an alarm (which generated a "Ring Indicate" signal on your computer's serial port). With its silver and black brushed-aluminum case and blue fluorescent display, it was a serious "shiny thing" for any computer buff.

The Chronograph was conceived by Glenn Sirkis, and the hardware and firmware were implemented by John Whitten.

Other assorted Hayes material can be found here and here

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