--- title: "UM-64 Memory Module" type: "article" slug: "um-64-memory-module" url: "http://localhost/article/um-64-memory-module/" markdown_url: "http://localhost/article/um-64-memory-module.md" published_at: "2020-10-27T17:12:29+00:00" modified_at: "2024-05-26T14:34:13+00:00" featured_image: url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg" excerpt: "Using bigger memories creates opportunities for greater losses in a crash. Byte-Back's battery-back-up scheme cuts this risk. You'll also get the possibility to have your operating system in RAM (all but the characters), compatibility with the TS1500, switch-selectable banks in the 8-16K area, an EPROM socket you can switch-select into 8-16K, and reasonable documentation from…" category: - name: "Syntax" slug: "syntax" taxonomy: "category" url: "http://localhost/category/periodicals/syntax/" post_tag: - name: "Byte-Back Co" slug: "byte-back-co" taxonomy: "post_tag" url: "http://localhost/tag/byte-back-co/" - name: "Hardware review" slug: "hardware-review" taxonomy: "post_tag" url: "http://localhost/tag/hardware-review/" - name: "TS 1000" slug: "ts1000" taxonomy: "post_tag" url: "http://localhost/tag/ts1000/" - 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/" - name: "Timex/Sinclair 1000" slug: "ts-1000" taxonomy: "model" url: "http://localhost/model/ts-1000/" publication: "Syntax" publication_r: id: 10246 title: "Syntax" type: "periodical" url: "http://localhost/periodical/syntax/" volume: "5" issue: "1" issues_articles: - id: 26723 title: "Syntax/Syntax ZX80 v5 n1" type: "issue" url: "http://localhost/issue/syntax-syntax-zx80-v5-n1/" pages: "4-5" pubdate: "January 1984" archive_link: false volumeissue: "v5n1" companies_articles: - id: 10711 title: "Byte-Back Co" type: "company" url: "http://localhost/company/byte-back-co/" --- # UM-64 Memory Module Using bigger memories creates opportunities for greater losses in a crash. Byte-Back’s battery-back-up scheme cuts this risk. You’ll also get the possibility to have your operating system in RAM (all but the characters), compatibility with the TS1500, switch-selectable banks in the 8-16K area, an EPROM socket you can switch-select into 8-16K, and reasonable documentation from a company that maintains an evening help line.