Motorola Gm950 Programming Software Install (2025)
Turn the radio . Ensure it is connected to a reliable power supply.
Disclaimer: This post is for informational purposes. Programming transmitters requires a valid amateur radio license or commercial license. Always ensure you are transmitting on authorized frequencies.
Configure Software to Use Cable
The Motorola GM950 is a legendary, rugged mobile radio widely used in commercial, amateur, and emergency communication setups. To configure frequencies, PL tones, and button functions, you need the original Motorola Radio Service Software (RSS) or Customer Programming Software (CPS). Because this software was designed for older operating systems, installing it on a modern PC requires specific steps and compatibility tools. motorola gm950 programming software install
Check your Device Manager to ensure the USB serial driver is installed correctly. Ensure the RIB box has a fresh battery or active power.
With the software installed and the port configured, you are ready to program.
Assign functions to the front-panel programmable buttons if needed. Step 3: Writing to the Radio Turn the radio
Installing and running this software on modern Windows 10 or 11 machines requires a "virtualized" approach using emulation tools like DOSBox. This article provides a step-by-step guide to installing the Motorola GM950 programming software. Prerequisites for Installation
Are you using a or an older serial cable with a RIB box ?
: Your PC CPU might be too fast for the older protocol. If using DOSBox, lower the emulation cycles by pressing Ctrl + F11 until the execution speed matches an older 486 or Pentium-class processor. To configure frequencies, PL tones, and button functions,
Depending on your cable type, an external RLN4008 RIB (or clone) may be required to handle voltage conversion between the PC and the radio.
In DOSBox, mount your working directory: MOUNT C C:\motorola\gm950 .
c: install.exe (or gm950.exe depending on your file structure) Use code with caution.
A compatible GM950 RIB-less cable or a RIB box with a GM950 cable, such as the one described in this GM950 programming guide .
Adjust your frequencies or settings as needed, then use the "Write" function to send the new configuration back to the radio.