1982 The SAGE IV came out in 1983, a year after the SAGE II. There never was a SAGE I or SAGE III system. The SAGE IV used the same CPU logic board as the SAGE II, but added a second board that sat atop the first board. This second PCB contained an additional 512 KB of DRAM, four serial ports for supporting more simultaneous users, and a controller to support a Winchester hard disk. Price lists from 1983 have system configurations for a 6MB, 12MB, or 18MB Winchester hard drive. Eventually hard drives as large as 40MB were available. |
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