Motorola Gm950 Programming Software Install May 2026

The official name for the GM950 programming software is Motorola RSS (Radio Service Software), specifically version R06.05.00 or later. Unlike modern Windows-native CPS (Customer Programming Software), RSS was designed for DOS (Disk Operating System) . This is the single most important fact to grasp.

| Problem | Likely Fix | |--------|-------------| | Setup won’t start | Run as Admin; copy CD contents to desktop. | | Error “Not a valid Win32 app” | You’re on 64‑bit OS – use XP Mode or VM. | | USB adapter not seen | Install Prolific/FTDI driver v3.2.0.0 (not latest). | | Read works, write fails | Radio firmware mismatch – downgrade CPS version. | | No COM port in CPS | Manually add COM port via Device Manager → Advanced. | motorola gm950 programming software install

Install Cable Drivers

Run the driver installer as Administrator. Follow prompts and connect the cable only when instructed (or after install).

Confirm in Device Manager (Windows) that the cable appears under “Ports (COM & LPT)” and note the COM port number.

If using a native RS-232 cable:

Install Motorola GM950 Programming Software The official name for the GM950 programming software

Configure Software to Use Cable

Test Communication

We will break the installation into three distinct pathways. Path A is the most stable (dedicated old PC). Path B is for modern users. Path C is for advanced virtual machine users. Install Cable Drivers