{"product_id":"1977-ithaca-audio-manual-printed-in-usa","title":"1977 Ithaca Audio S-100 Technical Manual","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,0,0\"\u003e\u003cb data-path-to-node=\"4,0,0\" data-index-in-node=\"0\"\u003eDescription:\u003c\/b\u003e Original 1977 technical manual and instructional guide produced by Ithaca Audio. This document provides essential circuit descriptions, assembly instructions, and operational guidance for their early S-100 bus modules, specifically focusing on Z-80 CPU and EPROM board configurations. The manual features detailed typewritten technical specifications and comprehensive logic diagrams, serving as a primary source for mid-20th century microprocessor engineering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,0\"\u003e\u003cb data-path-to-node=\"4,1,0\" data-index-in-node=\"0\"\u003eManufacturer:\u003c\/b\u003e Ithaca Audio (Ithaca Intersystems)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,2,0\"\u003e\u003cb data-path-to-node=\"4,2,0\" data-index-in-node=\"0\"\u003eManufactured In:\u003c\/b\u003e USA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,3,0\"\u003e\u003cb data-path-to-node=\"4,3,0\" data-index-in-node=\"0\"\u003eCondition Description:\u003c\/b\u003e This is an original vintage document featuring factory three-hole punches for binder storage. The pages show minor age-related tanning but remain crisp and free from significant tears. The typewritten text and schematics are fully legible.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,4,0\"\u003e\u003cb data-path-to-node=\"4,4,0\" data-index-in-node=\"0\"\u003eTrue Condition:\u003c\/b\u003e See pictures for true condition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,5,0\"\u003e\u003cb data-path-to-node=\"4,5,0\" data-index-in-node=\"0\"\u003eModel Number:\u003c\/b\u003e 1977 Revision\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,6,0\"\u003e\u003cb data-path-to-node=\"4,6,0\" data-index-in-node=\"0\"\u003eExtra Notes:\u003c\/b\u003e Ithaca Audio was renowned for high-reliability board designs. Original 1977 manuals from this company are scarce and highly prized by collectors of the S-100 Ithaca Intersystems ecosystem.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Thunder Bay Estate Sales","offers":[{"title":"Default Title","offer_id":45348798496959,"sku":"9c","price":59.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0519\/8639\/9423\/files\/9c-1.jpg?v=1773933882","url":"https:\/\/www.tbayes.ca\/products\/1977-ithaca-audio-manual-printed-in-usa","provider":"Thunder Bay Estate Sales","version":"1.0","type":"link"}