A 16-bit number assigned to specific manufacturers by the USB Implementers Forum (USB-IF) . The identifier FFFF does not belong to a premium consumer brand like SanDisk or Kingston. Instead, it is a generic default value often used by Taiwan OEM microcontrollers or unbranded, white-label factories.
[CH341SER.NT] %USB\VID_1A86&PID_7523.DeviceDesc%=CH341SER, USB\VID_1A86&PID_7523 ; Add this line: %USB\VID_FFFF&PID_1201.DeviceDesc%=CH341SER, USB\VID_FFFF&PID_1201 usb device id vid ffff pid 1201
This is the most promising solution but is complex and risky. A 16-bit number assigned to specific manufacturers by