"Sigma Information Systems" markasına ait modeller;
Q-BUS 4 SERIAL LINE I/O MODULE
400200

Sigma Information Systems
Q-BUS 4 SERIAL LINE I/O MODULE
Q Bus Interface Module
401820100

Sigma Information Systems
Q Bus Interface Module
CONTROLLER HARD DISC DRIVE
Srqd-11

Sigma Information Systems
CONTROLLER HARD DISC DRIVE