Minerva v1.98a1 operating system and Toolkit II v2.23 ROM upgrade on plug-and-play adapter for Sinclair QL. Replaces original QL ROM with enhanced Minerva OS by QView Mega Corporation, plus CARE/QJUMP Toolkit II utilities. Features DIP switch for C000h ROM area configuration (enabled/disabled). Confirmed working - boots to Minerva with 128K RAM recognized. No soldering required.