Concepts ETI Sentinel SuperPro Software Dongle 1997 CAD License Key Parallel Port
Description
Vintage Rainbow Technologies Sentinel SuperPro Software Protection Dongle – Concepts ETI S36 (T.CAD 97)
This is an originalparallel-port hardware license key (dongle)used withConcepts ETI’s turbomachinery CAD/engineering softwarefrom the late 1990s.
Manufacturer:Rainbow Technologies
Model:Sentinel SuperPro (DB-25 Parallel Port)
OEM Label:Concepts ETI, Inc. S36
Approx. Era:1997 (T.CAD 97 suite)
Use Case:Hardware key for license authentication
Condition:Used, untested — pulled from working engineering workstation in storage.
These keys were used to unlock professional CAD/CAM or simulation software modules and are now sought after bycollectors of vintage engineering hardware,license historians, andmuseum restorers.
Includes:One Sentinel SuperPro dongle exactly as shown.
No software or drivers included.
Item Condition
Used – untested. Cosmetic wear consistent with age (see photos).
Keywords
Sentinel SuperPro, Rainbow Technologies, Concepts ETI, Concepts NREC, Turbomachinery CAD, TCAD 97, parallel dongle, software license key, hardware protection, vintage engineering, retro computing, CAD CAM, industrial design security key, LPT dongle
