Sun SPARCstation 1

The 1989 "Campus" that started the pizza box era, restored to a genuine SS1 board after arriving with a Purdue clone upgrade installed

Sun SPARCstation 2

The early-90s Unix workhorse, here with an 80 MHz Weitek PowerUp and a rare fully-populated 64 MB DataRAM SBus card

Interactive Sun IDPROM Reset Tool — M48T02 / M48T08 / M48T59

Interactive web tool that automatically generates the OpenBoot mkp commands to reprogram the IDPROM after replacing or battery-modding any Sun timekeeper NVRAM chip — M48T02, M48T08, M48T18, M48T35, M48T59 — on a SPARCstation.

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

Sun Boot ROM and Firmware Image Archive

Downloadable OpenBoot PROM and firmware images for Sun workstations and servers

Last OpenBoot PROM Versions for Sun Workstations

Reference table of the final OBP firmware versions available for each Sun workstation model

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

Getting SunOS 4.1.4 Working

Notes on installing and configuring SunOS 4.1.4 on real hardware, including networking, DNS, X11, and GCC

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

The Rise and Fall of SPARCstation Clones

When Sun had competition from its own architecture

Resetting IDPROM on Sun Workstations

How to reprogram the IDPROM on sun4c, sun4m, sun4d, and sun4u workstations

SunOS 4.1 Using DNS without NIS

How to modify the shared C library on SunOS 4.1.x to use DNS resolution without NIS