USB 1.0
USB 1.0: Released in January 1996.
Specified data rates of 1.5 Mbit/s (Low-Bandwidth) and 12 Mbit/s (Full-Bandwidth). Does not allow for extension cables or pass-through monitors (due to timing and power limitations). Few such devices actually made it to market.
USB 1.1: Released in August 1998.
Fixed problems identified in 1.0, mostly relating to hubs. Earliest revision to be widely adopted.
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