- Mainframe family tree & chronology
- System/360 Announcement
- System/360 Dates & characteristics
- System/370 Announcement
- System/370 Dates & characteristics
- System/370-Compatibles Dates & characteristics
- System/390 Announcement
- System/390 Chronology (PDF, 64KB)
- ES/9000 Characteristics
- zSeries 900 Announcement
- zSeries 990 Announcement