(KDS 104 modem is reviewed on [[:File:ACU8511-033.jpg]] and [[:File:ACU8511-036.jpg]], according this review, the modem connects directly to the CPCs expansion port (without needing a serial interface at all).
== Connections ==
The KDS 104 connects to the discdrive port of the CPC, more info at: [[http://www.cpcwiki.eu/imgs/9/91/Amtix_00_Page_10.jpg]]