* [[Honeysoft ROM Board]] (according to the review: distributed by "Circuit" aka Cirkit)
* [[Cirkit serial interface]] (1985) (shipped with software from HoneySoft)* [[Commstar]] software (1986) (shipped with newer "Pace" [[Amstrad Serial Interface]]s)* 8bit Centronics Printer Port and 16bit Parallel Interface* Two Channel CP/M and BASIC Compatible RS232 Serial Interface
[[Category:CPC related companies]]