What are the current limits on number of terminals for TC?

Performance Improvements at Point Of Sale - A Guide to Getting the most out of your 4690 System.

It is clear that many of the IBM 4690 POS applications could use an overhaul. But who has the time? And where would one start?

TC/Windows – 64 terminals

TC/Windows XL Version – 80 terminals

TC/4690 – 60 terminals