We don't have an old pc to test electric components that come with this lot. Nice lot of vintage lego as shown.
They look complete but I didn't count everything although it appears all the major components are there. SEE pictures of everything included. The item "Lego Technic 9700 1090 1092 sets w books 9771 PC interface Vintage 1980's RARE" is in sale since Monday, March 23, 2020.
This item is in the category "Toys & Hobbies\Building Toys\LEGO Building Toys\LEGO Complete Sets & Packs". The seller is "bttrading1" and is located in Manchester, Connecticut. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Turks and caicos islands, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Pakistan, Paraguay, Reunion, Uruguay.