* [[Dk'tronics_memory_expansion|DK'tronics 64K RAM pack Memory Expansion]] *** (removable RAM chips) >> can be upgraded to [[Media:Upgraded64kRAM.JPG|256K]] - [[Upgrading_a_Dk%27tronics_RAM_Expansion|instructions]] ***
* [[Rombo_Rombox|Rombo ROMBOX]] (6 out of 8 expansion ROMS) containing:
** Slot 1: [[BCPL]] v 1.00 - Compiler from PJB & [[Arnor|Arnor Ltd.]]
** Slot 2: [[DOS_Copy_Crime|DOS Copy/Crime 1.3]] by [[Face_Hugger|Andreas Stroiczek]]