Articles & Topics
Articles are my research, teardown and review type publications. The contents included on these pages are a mixture of known facts, observations I made, and my opinion on devices or topics in question.
Topics [of interest] are pure knowledge listings and articles for a specific topic like common questions, jargon-busting, plug and internal connections, notable external sites and pages, and recognised distinct keyboard types. The vast majority of these pages are purely factual with little opinion mixed in.
Contents
The IBM Enhanced Keyboard turns 40
21st May 2025

Wheelwriters & Quietwriters - the earliest Model Ms turn 40
27th June 2024

Model G as the original designation for Model M & the existence of Models 1A and 1B
16th June 2024

IBM Japan 5576-C01 TrackPoint Keyboard and its Unicomp descendants
8th November 2022

Apple Newton Keyboard - The time Apple turned to IBM/Lexmark for a Model M
15th April 2022

Revealed: IBM Model M3 & M6 laptop buckling sleeves keyboards
28th December 2021

Exploring the elusive IBM 4680 POS Matrix Keyboard P/N 76X0100
6th August 2021

Revealed: The story of the IBM Model M4 family
3rd July 2021

Figuring out the IBM Japan P/N 69H8533 Numeric Keypad
11th June 2021

First look at the Mini Model M prototype & helping Unicomp
25th February 2021

A look at Unicomp's new flagship - The New Model M
18th February 2021

Digging inside a Model M4-1 numeric keypad
13th September 2020

M13: Lexmark versus Unicomp
3rd July 2020

A brief browse inside an IBM Model M7
13th May 2020

The IBM System 9002 Hybrid Keyboard - the rarest Model F?
27th October 2019

Admiral Shark's Keyboards is now on Ko-fi

Five years of Admiral Shark's Keyboards

June 2024 Leeds, England MKUK Meetup 7

May 2024 Exeter, UK Mini Meet
January 2024 Unicomp's Raspberry Pi Pico controller card and factory updatesAdmiral Shark's Keyboards part number database reaches 3000+ part numbers recorded!Official names discovered for IBM 75/87/104/122 key terminal keyboardsFour years of Admiral Shark's Keyboards30 Years of ThinkPad & TrackPointThree years of Admiral Shark's KeyboardsAdmiral Shark's Keyboards part number database reaches 2500+ part numbers recorded!Two years of Admiral Shark's Keyboards
Comparison & classifications of 122-key Model M Converged Keyboards

Differentiating IBM 3101, 3270 & 5250 terminal keyboards

Keyboard Rear Labels