Hi, Could the Tait Programming Cable product id be added to the FTDI driver, it is tested working with linux kernel 4.3.0.
#uname -a Linux lappy 4.3.0-1-amd64 #1 SMP Debian 4.3.3-5 (2016-01-04) x86_64 GNU/Linux Testing procedure: #sudo modprobe ftdi_sio #sudo chmod 666 /sys/bus/usb-serial/drivers/ftdi_sio/new_id #echo 0403 a1f8 > /sys/bus/usb-serial/drivers/ftdi_sio/new_id output from dmesg: [55524.310618] usbcore: registered new interface driver usbserial [55524.310636] usbcore: registered new interface driver usbserial_generic [55524.310649] usbserial: USB Serial support registered for generic [55524.315518] usbcore: registered new interface driver ftdi_sio [55524.315533] usbserial: USB Serial support registered for FTDI USB Serial Device [55599.398107] usb 1-1: new full-speed USB device number 15 using xhci_hcd [55599.533041] usb 1-1: New USB device found, idVendor=0403, idProduct=a1f8 [55599.533045] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [55599.533048] usb 1-1: Product: Tait Programming Cable [55599.533049] usb 1-1: Manufacturer: Tait Electronics Ltd [55711.530197] usb 1-1: Detected FT232RL [55711.530383] usb 1-1: FTDI USB Serial Device converter now attached to ttyUSB0 Serial device was successfully accessed using Tait Programming software in dosemu. Thanks.