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

Resetting IDPROM on Sun Workstations

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