Basix boards had an MMC slot, while the Connex had an additional 92-pin expansion connector.

This same board also provides the unit with an expansion connector on the bottom of the case, identical to that of the SNES.

Included a real-time clock and internal expansion connector.

In the main these convert the signals provided on the expansion connector into the industry standard Centronics parallel interface although some do offer serial as an alternative.

It was common to offer the internal bus through an expansion connector, or at least the space for such a connector to be soldered on.

It also needs an expansion connector for a second mini controller stand for simultaneous two player games (it could be stored in the empty body very easily.

Aside from the new look and the deletion of the 12 volt power supply to the expansion connector, the computer was essentially 100% compatible with the previous generation.

SoundscapeDB is compatible with sound boards equipped with 26-pin expansion connector.

It also features a pass-through expansion connector, allowing the use of more than one expansion unit.

All the signals used by the 8-bit ISA bus were also available through an expansion connector.