All kinds of pointing devices were available. Among them were mice, trackerballs, kids Roller Controllers, game pads, touch pads, touchscreens, wired joypads and even a game laser gun. For a complete overview of all available pointing devices inlcuding a picture, please refer to Philips CD-i Pointing Devices on this site.
4.9.1 How many ports for pointing devices does a player have? All Philips CD-i players provide at least one input port for pointing devices. Some players have an RS-232 port at the back that can also be used to connect a pointing device (CDI 910, CDI 205, early versions of CDI 210, early versions of CDI 220, among others).
A few players provide two ports for input devices alongside this RS-232 port (CDI 740, CDI 615, CDI 660, CDI 670). All other players have either only one input port, or one input port and an RS-232 connector that can not be used for pointing devices. In this case, a port splitter should be used to connect two pointing devices to use for example ... more.
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