* Extra audio capabilities
* Sound mix into the CPC speaker or stereo audio jack
* Full [[Plus|Amstrad Plus ]] ROM decoding
* Extra on-board V-ROM for amazing new AAA games
* General purpose programmable raster interrupt
* Compatible with standard Amstrad cartridges and new extended formats
* 100% compatible with [[C4CPC]]
* Support for RW cartridges to save/update games, scores and settings
* Boot switch and reset button commodities