|-
|#FE80 - #FE81||%11111110 1000000x||[[Albireo]] CH376 controller||Read||Write
|-
|#FE82||%11111110 10000010||[[Nova]] RTC & NVRAM|| - ||Write
|-
|#FE84 - #FEA7||%11111110 10xxx1xx||[http://shinra.cpcscene.net/willy.html Willy] Future use or multi-soundchip ||-||-