*[[Dobbertin Smart Watch]] or compatible ([[Dobbertin Smart Watch|DXS RTC]]) is emulated by MAME, WinAPE
*[[Symbiface II]] RTC or compatible ([https://github.com/salafek/cyboard-for-cpc Cyboard], [[RSF3]]) is emulated by ACE-DL, MAME, WinAPE, WinCPC
*[[Nova]] is emulated by ACE, ACE-DL
*[[Dk'tronics Real Time Clock]] and [[URTC-8 Universal RTC for Z80 computers|uRTC-8]] are not supported