The actual computers in question were a pair of IBM System/370 mainframes that each had 4 MB of RAM. There were also banks of 3330 disk drives that used removable disk packs of — gasp ...

The IBM mainframe line that superseded System/360. Introduced in 1970, the System/370 added virtual memory and other enhancements. In the early 1980s, IBM added Extended Architecture (XA ...

The pioneering hard disk concept of the IBM 3340 became the industry standard as the 30-30 or Winchester, which also found ...

The IBM mainframe line that superseded System/370. Introduced in 1990, the 32-bit System/390 was an evolution of the Enterprise System Architecture introduced with the System/370. The bipolar ...