Sun SPARCstation 1

The original pizza box workstation that started it all

Osborne 1

Restoration of the first commercially successful portable computer

Sun SPARCstation 2

The workhorse of early 1990s Unix workstations

Kaypro II

Restoration of the rugged aluminum CP/M portable from 1982

Sun SPARCstation 5

The affordable powerhouse that brought SPARC to the masses

Commodore SX-64

Restoration of the first full-color portable computer

Sun SPARCstation 10

Sun's first multiprocessor desktop workstation

Compaq Portable I

Restoration of the first IBM PC compatible from 1983

Sun SPARCstation 20

The ultimate pizza box workstation

Compaq Portable II

Restoration of Compaq's 80286-based portable from 1986

Sun Ultra 1

Sun's first 64-bit desktop workstation

Sun Ultra 5

Sun's affordable entry into 64-bit desktop computing

Compaq Portable III

Restoration of Compaq's plasma display portable from 1987

IBM 5155 Portable

Restoration of IBM's portable personal computer from 1984

NeXT Color Y-Cable to VGA

Wiring diagram for building a NeXTstation Color Y-cable that splits 13W3 video to VGA and DB19 keyboard/mouse to the SoundBox

NeXT Workstation Resources

Curated reference links for restoring and modifying NeXT workstations — pinouts, keyboard protocol, parts, and vendor sources

The IBM Buckling Spring Keyboard

How the famous IBM Model F and Model M keyboards produce their iconic click-clack sound, and a look at the rare Space Saving Keyboard variant

Bi-Color LED Daughter Card for ZuluSCSI

A small daughter card that repurposes the front-panel power LED on Sun workstations to also indicate drive access, using an RGB LED and an XOR gate driven by the ZuluSCSI accessory output

ZuluSCSI Overview

ZuluSCSI is a solid-state direct replacement for a physical SCSI drive, well suited to retro computers. Performance, SD card convenience, multiple SCSI targets per board, and mounting tips

Macintosh SE/30

The Macintosh SE/30 odyssey: two machines, one jig, a dead logic board, a fresh set of caps, and a brand-new power supply

Macintosh SE/30 Reimagined

A Raspberry Pi and LCD panel reborn inside an original Macintosh SE/30 case, running Mini vMac for a fast, color, and lightweight classic Mac experience

Locked Out: Clearing the Firmware Password on Vintage Sun Workstations

How to bypass and clear a firmware password on Sun SPARCstations and Ultras when the timekeeper chip has lost its memory

Burning a New SPARCstation 1 PROM

How to upgrade the OpenBoot PROM on a SPARCstation 1 using a MiniPRO TL866II Plus programmer

Fixing a Corrupted TOD Clock on SunOS 4.1.4

How to recover a SunOS 4.1.4 system that won't boot after setting a modern date corrupted the time-of-day chip

Compile Time Comparisons Across Vintage and Modern Hardware

Benchmarking C++ compile times across Sun workstations, SGI machines, Raspberry Pis, and modern desktops

Replacing a Sun IPX Power Supply with a Mini ATX

How to replace a failed Sun SPARCstation IPX power supply with an inexpensive TF400 Mini ATX supply

M48T02 Timekeeper External Battery Mod

How to add an external coin cell battery to M48T02 timekeeper chips

ZuluSCSI Disk Images

Getting started with ZuluSCSI disk images for vintage workstations

Apple IIe Platinum

The final revision of Apple's legendary 8-bit computer

Macintosh Color Classic

Apple's first color compact Macintosh

The Rise and Fall of SPARCstation Clones

When Sun had competition from its own architecture

Commodore 64 Hardware Reference

Ray Carlsen's authoritative Commodore 64 technical resource

Commodore SX-64 Schematics

Complete schematic diagrams for the Commodore SX-64 portable computer

Silicon Graphics Parts Sources

Where to find parts for SGI workstation restoration

Sun Hardware Reference Guide

Technical reference for Sun workstation hardware

NCR PC4

Restoration of a 1985 IBM PC compatible

IBM PCjr

Restoration of IBM's first home computer from 1984

Retrobright: Science and Philosophy

Understanding the chemistry of yellowed plastic and the case for restoration