If you can see clearly the name of the PCI device as the screen shot shown below ( PCI Simple Communications Controller ), just go to the manufacturer website of your computer and search for the exact driver from there. If the computer is assembled by yourself, which means that there is not a definite manufacturer that you can turn to, you can use Driver Easy to help you download the drivers needed for free. Now, lets try the first ID listed here first. Paste it to the search box of the searching engine. Please also add key words such driver or your operating system.ĭownload the correct driver from the list provided. Then you need to install them as instructed by the driver provider. If you do a custom installation of a COM port, you must comply with the COM port requirements that are defined in Configuration of COM Ports.Update PCI Driver Automatically (Recommended) If you dont have the time, patience or computer skills to update your drivers manually, you can do it automatically with Driver Easy.ĭriver Easy will automatically recognize your system and find the correct drivers for it. Programming Installation for Plug and Play Serial Ports and COM Ports To configure a serial port as COM port, comply with the requirements that are defined in Configuration of COM Ports.įor more information about installing serial ports and COM ports using the Ports device setup class and the Serial function driver, see the following topics: Provide an INF file that specifies the Ports device setup class and the Serial function driver as the service for the port. To install serial ports and COM ports using these system-supplied components, do the following: For information on USB attached serial ports, see USB serial driver (Usbser.sys).įor most devices, the Ports device setup class and the Serial function driver provide the functionality required to operate serial ports and COM ports. This topic describes programming traditional COM ports.
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