---
title: "Expand Your Timex/Sinclair Operating System"
type: "article"
slug: "expand-your-timex-sinclair-operating-system-2"
url: "http://localhost/article/expand-your-timex-sinclair-operating-system-2/"
markdown_url: "http://localhost/article/expand-your-timex-sinclair-operating-system-2.md"
published_at: "2020-10-27T17:08:10+00:00"
modified_at: "2024-06-23T11:41:04+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Expansion card with 8K of battery-backed CMOS RAM in the 8-16K range. Part one."
category:
  - name: "Radio Electronics"
    slug: "radio-electronics"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/radio-electronics/"
post_tag:
  - name: "1983"
    slug: "year-1983"
    taxonomy: "post_tag"
    url: "http://localhost/tag/year-1983/"
  - name: "Hardware project"
    slug: "hardware-project"
    taxonomy: "post_tag"
    url: "http://localhost/tag/hardware-project/"
  - 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/"
indiv:
  - name: "Paul Hunter"
    slug: "paul-hunter"
    taxonomy: "indiv"
    url: "http://localhost/indiv/paul-hunter/"
publication: "Radio Electronics"
publication_r:
  id: 10236
  title: "Radio Electronics"
  type: "periodical"
  url: "http://localhost/periodical/radio-electronics/"
authors: "Paul Hunter"
volume: "54"
issue: "7"
pages: "47-50"
pubdate: "July 1983"
archive_link: false
archiveurl: "https://archive.org/download/radio_electronics_1983-07/Radio_Electronics_July_1983.pdf"
volumeissue: "v54n7"
---

Expansion card with 8K of battery-backed CMOS RAM in the 8-16K range. Part one.