![]() ![]() ![]() Specifies the index number of a serial port on a multiport device. The default value of MultiportDevice is 0x00000000. ![]() If MultiportDevice is 0x00000000, the serial port is a stand-alone device otherwise, the serial port is on a multiport device. Specifies a Boolean flag that indicates whether a serial port is a device on a multiport device. For a description, see the PortName entry value. The use of Identifier is obsolete and should not be used with Microsoft Windows 2000 and later drivers. The support for an Identifier entry value is provided for compatibility with some legacy PCMCIA devices. The default value of PortName is an empty string. If the device is configured as a COM port, Serial uses the port name to create a symbolic link name for the device. However, the device can be set to any non-NULL string. The name of a device is typically COM, where is a COM port number that the installer obtains from the COM port database. The following registry settings are under the Plug and Play registry key for a device. If a device-specific entry value is not present, Serial uses a Serial service value. Serial queries these registry entry values when it adds the device. Serial also uses these settings as a lower-level device filter driver for a device that requires a 16550 UART-compatible interface. This topic describes the registry settings that Serial uses as a function driver for a Plug and Play serial device. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. Archives
December 2022
Categories |