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foone🏳️⚧️ on X: "So one of the first ways to hook in a mouse was through the serial ports. The 5150 didn't have a built in serial port, but it was commonly
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foone🏳️⚧️ on X: "The other way was the Serial Mouse. Not all PCs had serial ports, but they were quite common and standardized, so a serial port mouse was and obvious way
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