The Sage IV came out in 1983, a year later than the Sage II. The Sage IV used the same CPU logic board as the Sage II and added a second board that sat atop the first board and connected via the system bus connectors. This second PCB contained another 512 KB of DRAM, four serial ports for supporting more simultaneous users, and a winchester controller connecting to either a 5 MB or 40 MB hard disk.
Sage IV Manuals:
Other Systems Related To Sage IV:
This exhibit has a reference ID of CH45033. Please quote this reference ID in any communication with the Centre for Computing History.