|-
|#FD00 - #FD3F||%11111101 00xxxxxx||[[Programming:SYMBiFACE_II|SYMBiFACE II]]||Read||Write
|-
|#FD60 - #FD6F||%11111101 0110xxxx||V9990 Power Graph CPC (upcoming graphic card based on the Graphics 9000 for the MSX)||Read||Write
|-
|#FD60 - #FDFF||%11111101 xxxxxxxx||MSX-to-CPC I/O hardware adapter (MSX ports #60-#ff)||Read||Write
|-
|#FDE6||?||Port B - [[IDE8255]]||Read||Write
|-
|#FEF0 - #FEF7||%11111110 11110xxx||[[uIDE 16]] - IDE registers||Read||Write
|-
|#FF00 - #FFFF||%11111111 xxxxxxxx||AMSDAP (Amstrad MSx aDAPter, MSX-to-CPC I/O hardware interface (MSX ports #00-#ff)||Read||Write
|-
|#FF20 - #FF27||%11111111 00100xxx||MP3MSX (MP3 player) via AMSDAP||Read||Write
|-
|#FF20 - #FF27||%11111111 00100xxx||SE-ONE (MP3 player, FM radio receiver, USB master interface) via AMSDAP||Read||Write
|-
|#FF60 - #FF6F||%11111111 0110xxxx||CPC V9990 Power Graph (upcoming graphic card based on the Graphics 9000 for the MSX)||Read||Write
|-
|#FFXX||%11111111 xxxxxxxx||[[CPC Booster]] (XX=#00..#28 are used now)||Read||Write
|-
|#FFXX||%11111111 xxxxxxxx||[[Amdrum]] (unsigned 8bit DAC)||-||Write
|-
|#FF40 - #FF9F||%11111111 xxxxxxxx||MSX-to-CPC I/O hardware adapter (MSX ports #00-#5f)||Read||Write
|-
|#FFE6||?||Port B - [[IDE8255]]||Read||Write