Hmm... I'm glad the school never found out who un plugged the mouse and cost them a new one???? I've gotten lucky too many times, and then Opps, there goes an ADB chip! /; Err! -- Richard Piotter richfile@prairie.lakes.com The Richfiles TI Hardware and BASIC web page: http://www.geocities.com/SiliconValley/Lakes/5081/Richfiles.html