User:Jnc

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Although I have a wide interest in older computers, I worked with PDP-11's very extensively 'back in the day', and consider them perhaps the most elegant architecture ever devised (the power and flexibility they obtained with only 16-bit wide instructions were a revelation when they first appeared), so I have focused on them.

For more about me, see my home page.

Prototypes

Table Prototype
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xxx might refer to:

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Useful links

Pages I have added

Floating point - Gray code - Meta-stability - Synchronizer - Arbiter

Central Processing Unit - Program counter - Main memory - Secondary storage

Binary - Object code - Relocatable binary - Virtual address - Virtual memory

Multitasking - Time-sharing - Real-time system - File system

Interrupt - Direct Memory Access - Programmed I/O

Arithmetic-logic unit‎ - Microcode - First-In First-Out buffer - Cache

Transistor–transistor logic‎ - Metal Oxide Semiconductor - Integrated circuit

Core memory - Dynamic RAM - Disk

Asynchronous serial line - 20mA current loop serial line interface - EIA RS-232 serial line interface

Backplane - Wire-wrap - Printed circuit board

Mainframe - Minicomputer - Personal computer - Microprocessor

System Module - DEC card form factor - System unit - DEC alphabet

DECtape - LINC tape - DEC indicator panel

LINC - LINC-8 - PDP-12

PDP-6 - KA10 - KI10 - KL10

PDP-11 Memory Management - UNIBUS map

PDP-11 Extended Instruction Set - FP11 floating point - FIS floating point

Bus grant line - Non-Processor Request - Upgrading QBUS backplanes

Small Peripheral Controller - Modified UNIBUS Device - Extended UNIBUS

CD interconnect - Private Memory Interconnect - MASSBUS

G727 grant continuity card - G7273 grant continuity card - UNIBUS H854 header pinout - DEC asynchronous serial line pinout

KA11 CPU - KT11-B Paging Option - KA11 changes for the KT11-B - KT11-B Technical Manual - KT11-B Major State circuitry

PDP-11/05 - KD11-E CPU - KD11-EA CPU - KY11-LA Operator's Console - KY11-LB Programmer's Console

FP11-B Floating-Point Processor - FP11-C Floating-Point Processor - MJ11 memory system - MK11 memory system

LSI-11 - F-11 chip set - KTF11-A memory management chip - KEF11-A floating point chip - KDF11 CPUs - KDF11-U CPU

FPJ11 floating point accelerator - KDJ11 CPUs - KDJ11-B CPU - KDJ11-E CPU - KTJ11-B UNIBUS adapter - PDP-11/83

UNIBUS memories - MM11-D core memory - MM11-L core memory - MM11-U core memory

QBUS memories - CMV-[25]xx - CMV-[14]000 - MK8022 - National Semiconductor NS23M - National Semiconductor NS23C - Q-RAM 11

UNIBUS boot ROMs - BM792 ROM - BM873 ROM - M9301 ROM

RK11-C disk controller - RK02 - RP11 disk controller - RX0x floppy drive

TM11 magtape controller - TM02 magtape controller - TM03 magtape controller - TU16 - TE16

DR11 parallel interface - DR11-B parallel interface - DL11 asynchronous serial line interface - DH11 asynchronous serial line interface

Motorola M68000 Family - Motorola MC68000

UNIX file system - BSD Fast File System - 2.10BSD - 2.11BSD - Ersatz-11

Installing UNIX Sixth Edition - Installing UNIX Sixth Edition on Ersatz-11 - Running an LSI-11 from Unix V6 - Installing UNIX Seventh Edition

ALGOL

Request for Comments - Vonada's Engineering Maxims

Pages I have substantially upgraded

Operating system

FLIP CHIP

PDP-10

PDP-11 architecture - UNIBUS - QBUS

PDP-11/04 - PDP-11/10 - PDP-11/24 - PDP-11/34 - PDP-11/45 - PDP-11/70

KDF11-A CPU - KDF11-B CPU - KDJ11-A CPU - J-11 chip set

RK11 disk controller - RK05 - TU10

M7821

UNIX Sixth Edition

FORTRAN