The IBM System 3 was a system for small business. Its successors included the System 34 and the System 36.
The simulator for the IBM System 3 was developed by Charles Owen.
| Option | Description | Capacity |
| CPU and memory | IBM System 3 Model 10 (5410) | 8KB - 64KB |
| Console | 5471 printer/keyboard console | |
| Card reader/punch | 1442 card reader/punch | |
| Line printer | 1403 line printer | |
| Disk | 5440 fixed/removable cartridge disk | 2.467MB |
Updated 30-Jan-2007 by Bob Supnik (simh AT trailing-edge DOT com - anti-spam encoded)