The '''Amstrad Expansion System (Part 1)''' is primarily a '''rom box''' for the CPC series, but had additional features:
* Special non-standard Buffered Expansion Port (with pre-decoded IOSEL line, on access to "free" I/O addresssaddress)
* Lightpen socket (3.5mm stereo socket - just a connector with LPEN,5V,GND - without any additional electronics)
* [http://en.wikipedia.org/wiki/Eurocard Info on EURO-card standard]
* http://www.maplin.co.uk/
[[Category:Expansion ROM]] [[Category:Peripherals]] [[Category:manual]]