Vtg 1982 Texas Instruments Disk Memory Drive Manual Model PHP1250 Computer

Timex Sinclair Computer Analog Interface - VOTEM User's Manual + Brochures

INTERFACE AGE MAGAZINE VINTAGE SEP 1982

Vtg Texas Instruments RS232 Interface Card Manual Model PHP1220 1982 Computer

Vintage Radio Shack TRS-80 Model I RS-232-C Interface Manual Cat No 26-1145

Texas Instrument (TI) Program Recorder Model Manual Only #PHP2700 1982

850 Interface Module Technical Manual; Atari 400/800/XL/XE Manual ONLY

Texas Instruments Linear and Interface Circuits Applications Manual 1985 Vo; 2