Reduce DOSBox cycles further ( cycles=fixed 300 ) or use an older computer.
Before attempting to connect your radio, ensure you have the correct hardware. Modern USB ports and fast processors will not work without specific adapters. 1. The Programming Cable motorola gm300 programming software windows 10
"GM300 Programmer"
Change it to: serial1=directserial realport:com3 (Replace com3 with your actual cable COM port). Save and close. Step 4: Run the Software Launch DOSBox. Type: mount c c:\gm300 Type: c: Type: gm300.exe (or whatever your executable is named) Reduce DOSBox cycles further ( cycles=fixed 300 )