|#F8FF||N/A||[[Peripheral Soft Reset]] (MC_BOOT_PROGRAM and MC_START_PROGRAM do OUT [F8FF],FF)|| - ||Write
|-
|#FA7E||%xxxxxx0x0 xxxxx0x0 0xxxxxxx||Floppy Motor Control (for [[765 FDC]])|| - ||Write
|-
|#FADC||?||[[Amstrad Serial Interface]] Z80-SIO / DART port A Data Register||Read||Write
|#FADF||?||[[Amstrad Serial Interface]] Z80-SIO / DART port B Control Reg.||Read||Write
|-
|#FB7E||%xxxxxx0x1 xxxxx0x1 0xxxxxx0||[[765 FDC]] (internal) Status Register||Read|| -
|-
|#FB7F||%xxxxxx0x1 xxxxx0x1 0xxxxxx1||[[765 FDC]] (internal) Data Register||Read||Write
|-
|#FBDC||?||[[Amstrad Serial Interface]] 8253 Timer counter 0||Read||Write