|-
|#FD08 - #FD0F||%11111101 00001xxx||[[X-Mass|X-MASS]] 2.5" 44-pin IDE interface / DOM / CF adapter (SYMBiFACE II compatible)||Read||Write
|-
|#FD40 - #FD4F||%11111101 0100xxxx||[[Programming:SYMBiFACE_III|SYMBiFACE III]]||Read||Write
|-
|#FD80 - #FD87||%11111101 10000xxx||CPC-CPLink - FIFO Interface card for Co-processors, incl. Raspberry Pi ||Read||Write