IBM 30XX mainframe lines
In-game article clicks load inline without leaving the challenge.
The IBM 30XX mainframe lines are a group of lines of high-end System/370-compatible mainframes.
- IBM 303X series - released in 1977.
- IBM 308X series - released in 1980.
- IBM 3090 series - released in 1985. IBM ES/3090 series - released in 1988.
See also
- IBM 4300 and IBM 9370 - low-end S/370 compatible mainframe lines
- Midrange computer
| IBM mainframes | ||
|---|---|---|
| Preceded byIBM S/370 | IBM 30XX mainframe lines | Succeeded byIBM S/390 |