# IBM 1401 Simulator Configuration

The IBM 1401 was introduced in 1960 as an I/O pre- and post-processor for its 36-bit mainframes. In addition, it was the first widely used small business computer.

Photographs (courtesy of Paul Pierce):

- IBM 1401

Option | Description | Capacity
CPU and memory | IBM 1401 | 4K - 16K characters
CPU special features | advanced programming (indexing) |
| compare high-low-equal |
| branch on bit equal |
| modify address |
| move record |
| extended print edit |
| multiply/divide |
Console | 1407 inquiry terminal |
Cards | 1402 card reader punch |
Line printer | 1403 line printer |
Disk | 1311 disk pack | 2M characters
Magnetic tape | 7 track magnetic tape |

Updated 30-Jan-2007 by Bob Supnik (simh AT trailing-edge DOT com - anti-spam encoded)