DEC's PDP-8, introduced in 1965, was the first mass produced minicomputer, as well as the first computer costing less than $20,000. It remained in active production until 1988; more than 50,000 units were produced. All the models in the family were based on one of the seven CPU designs (photographs courtesy of Digital Equipment Corporation):
Option | Description | Capacity |
CPU and memory | PDP-8/E | 4KW - 32KW |
CPU options | KM8E memory extension and timeshare control | |
KE8E EAE (extended arithmetic element) | ||
TSC8-75 timesharing controller for ETOS | ||
Console | KL8E and KSR-33 Teletype | |
Extra terminals | KL8JA and KSR-33 Teletype | 4 terminals |
Paper tape | PC8E paper tape reader and punch | |
Real time clock | KW8E real time clock | |
Line printer | LP8E line printer | |
DECtape | TC08/TU56 DECtape | 190KW |
TD8E/TU56 DECtape | 190KW | |
Disk | RX8E/RX01 single density floppy disk | 256KB |
RX28/RX02 double density floppy disk | 512KB | |
DF32/DS32 fixed head disk | 128KW | |
RF08/RS08 fixed head disk | 1MW | |
RK8E/RK05 cartridge disk | 1.6MW | |
RL8A/RL01-RL02 cartridge disk | 5-10MB | |
Magnetic tape | TM8E/TU10, 800bpi 9 track magnetic tape |
Updated 01-Dec-2003 by Bob Supnik (bob AT supnik DOT org - anti-spam encoded)