CDS S-100 I/O Board PCB Unpopulated Printer AUX Port Computer Design Systems

Jacquard Systems S-100 Disk Interface Assembly Ribbon Cable Board 1977 Vintage

Zennith Data Systems ZF-148-21 I/O Board Assy 85-3095-1

Zennith Z-100 Series Power Supply Unit

Zenith Data Systems High Capacity Floppy Disk System Desktop Vintage

TMS-RGB module - Convert systems using TMS9928A and TMS9929A (eg TI99/4A) to RGB

TESTED (see description) Zenith Data Systems ZVM-121 Monochrome Vintage Computer

Vintage Laptop Zenith Data Systems Z Sport 420S