|#FD00 - #FD3F||%11111101 00xxxxxx||[[Programming:SYMBiFACE_II|SYMBiFACE II]]||Read||Write
|-
|#FD08 - #FD0F||%11111101 00001xxx||[[X-Mass|X-MASS]]2.5" 44-pin IDE interface / DOM / CF adapter (SYMBiFACE II compatible)||Read||Write
|-
|#FD80 - #FD87||%11111101 10000xxx||CPC-CPLink - FIFO Interface card for Co-processors, incl. Raspberry Pi ||Read||Write