# PDP-1 Simulator Configuration

Introduced in 1960, the PDP-1 was DEC's first computer, and the world's first minicomputer. Documentation and drawings are sketchy; in addition, the machine was often customized for particular uses. The simulator is based on the 1963 maintenance manual.

Photographs (courtesy of Digital Equipment Corporation):

- PDP-1
- Screenshot of PDP-1 Spacewar

Option | Description | Capacity
CPU and memory | PDP-1 | 4KW - 64KW
CPU options | Type 10 automatic multiply divide Type 15 memory extension control Type 20 16-channel sequence break system PDP-1D extended features |
Console | Soroban B typewriter (FIODEC code) |
Paper tape | integral |
Line printer | Type 62 line printer (Hollerith code) |
Microtape (DECtape) | Type 550/555 Microtape | 148KW
Drum | Type 23 parallel drum | 131KW
| Type 24 serial drum | 131KW
Multiplexer | Type 630 data communications subsystem | 1-32 lines

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