DEC PDP-11/04

The PDP 11/04 is a Unibus based 16-bit minicomputer manufactured by Digital Equipment Corporation.

It was introduced in 1976 and is low cost version of a PDP 11/34. It does not have memory management and does not support Commercial Instruction Set and Floating Point. It supports a maximum of 64 KBytes of memory.

This 11/04 contains the following boards:

Slot# Module# Option Description

1 M7263 KD11-D 11/04 processor module

2 M7847-DJ MS11-JP 16-Kword 18-bit RAM

3 M7847-DJ MS11-JP 16-Kword 18-bit RAM

4 M9312 Bootstrap terminator with 5 empty ROM sockets

4 M7859 KY11-LB Console interface; programmer's console

5 M7856 DL11-W RS-232 SLU & realtime clock option

6 M7856 DL11-W RS-232 SLU & realtime clock option

7 M7856 DL11-W RS-232 SLU & realtime clock option

8 G7273 Bus Grant & Non-processor grant

9 M8256 RX211 RX02 floppy disk controller

M9312 Module

Boot PROMS: PROM #1 RX02

Switch: 1100001000 (1->10)