Parsec - Texas Instruments Solid State Cartridge PHM 3112 TI-99/4a Untested

Texas Instruments Alpiner TI-99/4a 1982 Solid State Cartridge ~Tested

Texas Instruments Solid State Cartridges TI-99/4a - ALL TESTED / PICK-EM / TI

Munchman Cartridge for Texas Instruments TI-99/4A 1983 PHM 3112

Alpiner Cartridge for Texas Instruments TI-99/4A 1982 PHM 3112

Texas Instruments TI-99/4a -A-MAZE-ING - video game cartridge tested from 1980

Parsec - Texas Instruments Solid State Cartridge PHM 3112 TI-99/4a Untested

TI-99/4A Numeration 2 Solid State Cartridge PHM 3051 Tested Working