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

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

M48T02 Timekeeper External Battery Mod

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

Resetting IDPROM on Sun Workstations

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