|-
|#FE80 - #FE81||%111111101000000x||[[Albireo]] CH376 controller||Read||Write
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|#FE84 - #FEA7||%1111111010xxx1xx||[http://shinra.cpcscene.net/willy.html Willy] Future use or multi-soundchip ||-||-
|-
|#FEAC - #FEAD||%11111110101011xx||[http://shinra.cpcscene.net/willy.html Willy] S2P Dream SAM2965 MIDI synthetizer ||Read||Write
|-
|#FEB0 - #FEB7||%1111111010110xxx||[[Albireo]] serial port||Read||Write
|-
|#FEBC - #FEBF||%11111110101111xx||[http://shinra.cpcscene.net/willy.html Willy] OPL3 ||-||Write
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|#FEE6||?||Port A - [[IDE8255]]||Read||Write