--- title: "6K RAM Addition" type: "article" slug: "6k-ram-addition" url: "http://localhost/article/6k-ram-addition/" markdown_url: "http://localhost/article/6k-ram-addition.md" published_at: "2024-01-01T13:06:09+00:00" modified_at: "2024-06-23T01:03:44+00:00" featured_image: url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg" excerpt: "Frustrated by the limitations of 2K RAM, Jim Graham of Oakham, MA, put 6K \"under the hood\" of his ZX81. He finds it a comfortable compromise, freeing up the edge connector for I/O use. The wirewrapped module consists of four sockets welded together, needs no board modifications and plugs into the existing RAM socket." category: - name: "Syntax" slug: "syntax" taxonomy: "category" url: "http://localhost/category/periodicals/syntax/" post_tag: - name: "1982" slug: "year-1982" taxonomy: "post_tag" url: "http://localhost/tag/year-1982/" - name: "Hardware project" slug: "hardware-project" taxonomy: "post_tag" url: "http://localhost/tag/hardware-project/" - name: "ZX81" slug: "zx81" taxonomy: "post_tag" url: "http://localhost/tag/zx81/" model: - name: "Sinclair ZX81" slug: "zx81" taxonomy: "model" url: "http://localhost/model/zx81/" indiv: - name: "Jim Graham" slug: "jim-graham" taxonomy: "indiv" url: "http://localhost/indiv/jim-graham/" publication_r: id: 10246 title: "Syntax" type: "periodical" url: "http://localhost/periodical/syntax/" volume: "3" issue: "2" issues_articles: - id: 52471 title: "Syntax/Syntax ZX80 v3 n2" type: "issue" url: "http://localhost/issue/syntax-syntax-zx80-v3-n2/" pages: "2" pubdate: "February 1982" archive_link: false --- # 6K RAM Addition Frustrated by the limitations of 2K RAM, Jim Graham of Oakham, MA, put 6K “under the hood” of his ZX81. He finds it a comfortable compromise, freeing up the edge connector for I/O use. The wirewrapped module consists of four sockets welded together, needs no board modifications and plugs into the existing RAM socket.