Mio Spirit 475 works OK, here's the configuration by Ad

Use port 2 in gps.ini:
Port=2
BaudRate=4800
ByteSize=8
StopBits=1
Parity=0
Fake=0
Port=2
BaudRate=4800
ByteSize=8
StopBits=1
Parity=0
Fake=0
Maps and map tools for GPS systems and cellphones
https://forum.maplorer.com/