DEC GT40 Graphic Display Terminal

The DEC GT40 Graphic Display Terminal is an intelligent terminal based on a PDP-11/05, first introduced in 1972.

The GT40 consists of:

KD11-B (PDP-11/05) central processor
VT40 display processor, including bootstrap ROM (same modules as VT11, but instead of the four-slot backplane, this has a nine-slot backplane to include the CPU and memory)
MM11-L 8K word core memory (MM11-K 4K word core memory on GT40-Bx models)
DL11-E asynchronous line interface
LK40 keyboard
VR14-LC X-Y monitor (or -LD for 230V)
375 light pen

Four-page promotional leaflet with brief specification.

We are extremely grateful to both Dawn and Kim Wakefield for the kind donation of the collection of their late father Richard Wakefield

Date : 1972

Creator : Digital

Physical Description : Brochure

This exhibit has a reference ID of CH15612. Please quote this reference ID in any communication with the Centre for Computing History.