USB-RS232 adapter can only be set to Port COM3, COM4, COM5, COM6 as there are 4 USB ports
VemsTune, "ECU Communication":
(X) Serial
Port: COM4
Preferred baudrate: 9600/19200
Timeout (ms): 15
Ignored real-time error count. 3
Internal write delay (ms): 25
SD CARD baud Rate: 115200/57600
ECU not found: 100.0
Default Protocol
Protocol: SIPR
Default read realtime command
read real time: SIPR_RT_MT_EXT.