|-
|#DFXX||%xx0xxxxx xxxxxxxx||[[Upper ROM Bank Number]]|| - ||Write
|-
|#ECXX||%xxx0xx11 xxxxxxxx||[[KC Compact]] CIO Port B (timer)|| Read ||Write
|-
|#EDXX||%xxx0xx11 xxxxxxxx||[[KC Compact]] CIO Port C (timer)|| Read ||Write
|-
|#EEXX||%xxx0xx11 xxxxxxxx||[[KC Compact]] CIO Control|| Read ||Write
|-
|#EFXX||%xxx0xx11 xxxxxxxx||[[KC Compact]] CIO Port A ([[Printer Port]])|| Read ||Write
|-
|#EFXX||%xxx0xxxx xxxxxxxx||[[Printer Port]]|| - ||Write