> The first thing you MUST establish is if the xtal is > oscillating. Yeah - thought so.. :) I've borrowed a scope, and I have a 16MHz oscillator I'll try if the crystal isn't oscillating. How difficult is it to get crystals going generally? What can be wrong, apart from a duff crystal? > If a scope is not handy then you could try a simple signal > detector connected to a voltmeter. Thanks - useful for future reference! Kieran