{"product_id":"🍏-apple-ii-670-820-0027-01-synch-printer-interface-vintage-card-working","title":"🍏 Apple II 670 820-0027-01 Synch Printer Interface Vintage  Card Working","description":"\u003cbr\u003e\n\u003cp\u003e\n \u003cb\u003e\n  Apple II Synchronous Serial Interface Card (Apple P\/N 670-0027-A)\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  Rare original Apple interface card pulled from a working Apple II system. Card has been fully inspected, connector edge cleaned, and all ICs checked for proper seating. A great piece for collectors, restorers, or anyone building out a complete early Apple II system.\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\n ⸻\n\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\n \u003cb\u003e\n  Condition\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  •\tClean board, no corrosion\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  •\tEdge connector polished for reliable contact\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  •\tNo repaired traces or bodge wires\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  •\tICs include Signetics, Fairchild, TI, Apple-marked ROM\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  •\tAMP 80-47 connector intact\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  •\tTested for card recognition and ROM checksum (passes)\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\n \u003cb\u003e\n  This is a vintage original Apple card, not a reproduction.\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\n ⸻\n\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\n \u003cb\u003e\n  Features \u0026amp; Technical Notes\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  •\tApple part number: 670-0027-A\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  •\tSupports synchronous serial communications (used historically with mainframes, minicomputers, banking systems, telecom hardware)\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  •\tIncludes factory ROM (copyright Apple Computer Inc. 1979)\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  •\tUses standard Apple II expansion slot\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  •\tCompatible with: Apple II, II+, IIe (for IIgs use 5V logic compatibility guidelines)\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\n ⸻\n\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\n \u003cb\u003e\n  What's Included\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  •\tApple Synchronous Serial Interface Card (shown)\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  •\tAnti-static packaging\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cb\u003e\n  •\tProfessional packing for safe transit\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\n ⸻\n\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\n \u003cb\u003e\n  Shipping\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\n \u003cb\u003e\n  Ships from Chicago with care. Board will be wrapped in anti-static material, then double-protected in foam.\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\n ⸻\n\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\n \u003cb\u003e\n  Collector Notes\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\n \u003cb\u003e\n  These synchronous cards were produced in relatively low volume and appear far less often than parallel and serial cards. A clean, original example like this is an excellent addition for full-system builds, museum-quality Apple II setups, or period-correct telecom\/comms demonstrations.\n \u003c\/b\u003e\n\u003c\/p\u003e\n\u003cbr\u003e\n","brand":"Apple","offers":[{"title":"Default Title","offer_id":47196314632450,"sku":null,"price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/1221\/5554\/files\/10_73e459f0-c0a5-4d74-a550-203f37890719.jpg?v=1767546833","url":"https:\/\/vintageapplecomputers.com\/products\/%f0%9f%8d%8f-apple-ii-670-820-0027-01-synch-printer-interface-vintage-card-working","provider":"Vintage Apple Computer of Illinois ","version":"1.0","type":"link"}