|#F9FF||?||[[Grafpad II|Hegotron grafpad II]]||?||?
|-
|#FA7E||%xxxxxx0x0 0xxxxxxx||Floppy Motor Control(for [[765 FDC]])|| - ||Write
|-
|#FADC||?||[[Amstrad Serial Interface]] Z80-SIO / DART port A Data Register||Read||Write
|#FAE7||?||Port C - [[IDE8255]]||?||?
|-
|#FB7E||%xxxxxx0x1 0xxxxxx0||[[765 FDC ]] (internal) Status Register||Read|| -
|-
|#FB7F||%xxxxxx0x1 0xxxxxx1||[[765 FDC ]] (internal) Data Register||Read||Write
|-
|#FBBD||?||Ram select mode [[Vortex Expansions RAM card|Vortex SP512]]||?||Write