User:Jnc

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.

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Useful links

• New users

Wrong, delete

• KTJ11-A memory management
• KTJ11-A memory management chip

Pages I have added

Floating point - Meta-stability - Synchronizer - Arbiter

Central Processing Unit - Program counter - Main memory - Direct Memory Access - Microcode

Time-sharing - Virtual address - Virtual memory

Mainframe - Minicomputer - Personal computer - Microprocessor

Backplane - Wire-wrap - Printed circuit board

Core memory - Dynamic RAM - Disk - EIA RS-232 serial line interface

FLIP CHIP - DEC card form factor - DEC alphabet

DECtape - LINC tape

LINC - LINC-8 - PDP-12

KA10 - KI10 - KL10

PDP-11 Memory Management - FP11 floating point - FIS floating point - UNIBUS map - Extended UNIBUS

MASSBUS - CD interconnect - Private Memory Interconnect

Small Peripheral Controller - Modified UNIBUS Device - Upgrading QBUS backplanes

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 circutry - PDP-11/05

PDP-11/83 - LSI-11 - F-11 chip set - KTF11-A memory management chip - KEF11-A floating point chip - KDF11 CPUs - KDF11-U CPU - KDJ11 CPUs - KDJ11-B CPU - KDJ11-E CPU

KTJ11-B UNIBUS adapter - FP11-B Floating-Point Processor - FP11-C Floating-Point Processor - KY11-LB Programmer's Console

MJ11 memory system - MK11 memory system

UNIBUS memories - MM11-L - MM11-U

QBUS memories - CMV-[25]xx - CMV-[14]000 - MK8022 - 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

DL11 asynchronous serial line

Motorola M68000 Family - Motorola MC68000

Installing UNIX Sixth Edition - Installing UNIX Sixth Edition on Ersatz-11 - Running an LSI-11 from Unix V6 - Installing UNIX Seventh Edition - 2.10BSD - 2.11BSD - Ersatz-11

Request for Comments - Vonada's Engineering Maxims

Pages I have substantially upgraded

PDP-10

PDP-11 architecture - UNIBUS - QBUS

PDP-11/04 - PDP-11/10 - PDP-11/24 - 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