Programming Installation of Serial Ports and COM Ports - Windows drivers
https://learn.microsoft.com:443/en-us/windows-hardware/drivers/serports/installing-serial-ports-and-com-ports
WEBJun 30, 2022 · This topic describes programming traditional COM ports. For information on USB attached serial ports, see USB serial driver (Usbser.sys). For most devices, the Ports device setup class and the Serial function driver provide the functionality required to operate serial ports and COM ports.
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