Changes
* Prestel Link (acoustic coupler bundled with [[Cirkit serial interface]]) ([[Cirkit]])
* [[Schneider BTX Modul]] (for german Bildschirmtext) (Schneider)
* [[Loritel]] (for french Minitel) ([[Loriciel|Loriciels]])
=== Serial Interfaces ===
* ([[RS232|overview of RS232 interfaces]])
* [[Aleste 520EX]] (a CPC clone with built-in RS232, intended for serial mouse) ([[Patisonic]])* [[AMSSIO]] (four different versions) (RS232 interface) (DIY) (Martin Zacho)
* [[Amstrad Serial Interface]] ([[Amstrad]])
* [[Cirkit serial interface]] ([[Cirkit]])
* Cirkit twin-port serial interface (resold by [[Microstyle]])
* [[CPC Booster|CPC Booster/CPC Booster+]] (modern multifunction expansion, including RS232)
* [[CPCI RS232 Interface]] (DIY) ([[CPC Schneider International Sonderheft]])
* [[Data Media Disc System]] (disc drive with built-in RS232 interface) ([[Data Media]])
* [[KDS Electronics Serial Interface|KDS Serial Interface]] ([[KDS Electronics]])
* [[Spectre Comms Serial Interface]] with Cage Comms software ([[Spectre Communications]])
* [[Vortex Disc Drives]] (disc drive/interface with optional RS232 port) ([[Vortex Computersysteme]])
* [[Z80-SIO dual ports RS232 interface for CPC (French)]] (DIY) (Philippe Lebel)
* [[Dual RS232]] ([[Timatic Systems]])
== Digitizer / Scanner ==
* [[ARA Video Digitizer]] ([[Jagot & Leon]])
* [[Electric Studio C6]] ([[Electric Studio]])
* [[Dart Scanner for DMP-Printers]] (the optics are attached to the printer head) ([[Dart Electronics]])
* [[3½" & 5¼" Disk Drives]]
* [[Amstrad Disk Drive|Amstrad DDI-1 / FD-1 Disk Drive]]([[Amstrad]])
* [[Cumana 3" Disk Drive]]
* [[Data Media Disc System]]([[Data Media]])
* [[Jasmin AM5D 5 "1/4 floppy drive]]
* [[KDS 5¼" Disc Drive]] ([[KDS Electronics]])
* [[Multiface II]] (RAM-and-I/O snapshot) ([[Romantic Robot]])
* [[PDS development system]] (old devkit been used for commercial games)
* [[RAM7 Cartridge Hacker]] (for CPC+/GX4000 cartridges) ([[RAM7]])
* [[Transtape]] (whatever snapshot) (Hard Micro)
* [[Electric Studio Mouse]] ([[Electric Studio]])
* [[GEOS mouse|GEOS mouse]] ([[Commodore 64|C64]])
* [[Kempston Mouse]](Kempston)
* [[Marconi|Marconi trackball]]
* [[Serial RS232 Mouse]]
* [[Phoenix M64]]
* [[RAM BOX]] 512Kb memory expansion [does that lowercase "b" mean bits, not bytes???]
* [[RAM7 2MB memory expansion]]([[RAM7]])
* [[SYMBiFACE II]] - contains (among others) 512K RAM
* [[Vortex Expansions RAM card]] ([[Vortex Computersysteme|Vortex]])
* ([[8bit Printer Ports]])
* Amstrad [[DMP1]] printer([[Amstrad]])* Amstrad/Schneider [[DMP2000]] Printer* printer ([[Amstrad]]/Schneider [[DMP2100Schneider]] Printer)* [[DMP2100]] printer ([[Amstrad]]/[[Schneider ]])* [[DMP2160]] printer([[Amstrad]]/[[Schneider]])* Amstrad [[DMP3000]] printer([[Amstrad]])* Amstrad [[DMP3160]] printer([[Amstrad]])* Amstrad [[DMP3250]] printer([[Amstrad]])* Amstrad [[DMP4000]] printer* ([[Robotron 6313|EuroPrint FT80XAmstrad]])* [[Robotron 6313|EuroPrint FT80X, Robotron 6313, Präsident 6320]](east german)* [[Robotron 6313NLQ401|Schneider NLQ401]]* ([[NLQ401|Schneider NLQ401]])
* [[Star Printers]]
* [[ACU Real Time Clock (DIY)|ACU Real Time Clock]] (DIY) (without year counter)
* [[Aleste 520EX]] (a CPC clone with built-in RTC) ([[Patisonic]])* CPCI [[Real Time Clock|CPCI Real Time Clock]] (DIY) ([[CPC Schneider International Sonderheft]])
* [[Dk'tronics Real Time Clock]] ([[Dk'tronics]])
* [[Dobbertin Smart Watch]] (the RTC itself is inserted like a ROM) ([[Dobbertin]])
* [[SYMBiFACE_II:Realtime_clock|Realtime Clock]] of [[SYMBiFACE_II]] (modern RTC with bugged century counter)
== Synthesizer, sampler and music related ==
* [[Amdrum]] (Playback) ([[Cheetah]])* [[Amstrad SSA-1 Speech Synthesizer]] (Speech) ([[Amstrad]])
* [[CPC Booster|CPC Booster/CPC Booster+]] (Stereo Sampling/Playback)
* [[Digiblaster]] (Playback) (DIY) (8bit DAC on printer port)
* [[Dk'tronics Speech Synthesizer]] (Speech) ([[Dk'tronics]])
* [[DHCP MIDI Interface]] (DHCP Electronics)
* [[EMR MIDI Interface]] (MIDI) ([[EMR|ElectroMusic Research]])
* [[FuturePlayer]] (modern MP3 playback, max 128kbps) (Hard: Dr.Zed, Soft: TFM)
* [[Maestro]] (Amplifier/Speakers) (Vanguard Leisure Ltd.)
* [[Magic Sound Board]] for [[Aleste 520EX]] (four channel DMA playback) ([[Patisonic]])* [[Music Machine]] (Sampling/Playback/MIDI) ([[RAM Electronics]])
* [[MHT Speech Synthesizer]] (Speech) ([[MHT Ingenieros]])
* [[Silicon Systems MIDI Interface]]([[Silicon Systems]])
* [[Sound Blaster]] (Amplifier/Speakers) ([[Siren Software]])
* [[TechniMusique Synthetiseur Musical|TMPI musical synthesizer]] ([[TechniMusique]])
