Motorola Gm950 Programming Software

The GM950 stores configuration in a 24LC64 EEPROM (8KB) accessible via I2C. Mapping (via diffing known codeplugs):

Once the software indicates a successful write, the radio will usually reboot or emit a confirmation beep. Troubleshooting Common Programming Issues Motorola Gm950 Programming Software

Source code and documentation are available at github.com/legacyradio/pyGM950 under GPLv3 (no proprietary Motorola code included). The GM950 stores configuration in a 24LC64 EEPROM

Navigate to the communication settings and select the correct COM port. Select the (or Read Device) option. Motorola Gm950 Programming Software

The GM950 RSS was written in a time when PCs had true hardware COM ports (IRQ 3 or 4). Modern PCs have two issues: