Uses 6800 CPU with Hex keyboard. The item "Vintage Heathkit ET-3400 Microcomputer Trainer with manual" is in sale since Monday, May 07, 2018. This item is in the category "Computers/Tablets & Networking\Vintage Computing\Vintage Manuals & Merchandise". The seller is "jickjack" and is located in Central Point, Oregon. This item can be shipped to United States.