---
title: "Expansion Board for Sinclair Computers"
id: 35667
type: "document"
slug: "expansion-board-for-sinclair-computers"
url: "http://localhost/document/expansion-board-for-sinclair-computers/"
markdown_url: "http://localhost/document/expansion-board-for-sinclair-computers.md"
published_at: "2021-01-11T13:44:18+00:00"
modified_at: "2026-03-15T17:30:15+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Manual for the Computer Continuum Expansion Board for Sinclair ZX-80/ZX-81/MicroAce computers, providing a buffered bus with four 44-pin card-edge connectors for connecting peripherals or user-built circuits."
category:
  - name: "Documentation"
    slug: "documentation"
    taxonomy: "category"
    url: "http://localhost/category/documentation/"
post_tag:
  - name: "Computer Continuum"
    slug: "computer-continuum"
    taxonomy: "post_tag"
    url: "http://localhost/tag/computer-continuum/"
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
  - name: "ZX80"
    slug: "zx80"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx80/"
  - name: "ZX81"
    slug: "zx81"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx81/"
model:
  - name: "Sinclair ZX80"
    slug: "zx80"
    taxonomy: "model"
    url: "http://localhost/model/zx80/"
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
doc_author: "Eric Reiter"
document_url: "https://archive.org/details/computer-continuum/mode/2up"
pages: 15
document_date: "1982"
related_content:
  - id: 10757
    title: "Computer Continuum"
    type: "company"
    url: "http://localhost/company/computer-continuum/"
  - id: 12506
    title: "Buffered Bus Expansion Board"
    type: "product"
    url: "http://localhost/product/buffered-bus-expansion-board/"
---

# Expansion Board for Sinclair Computers

Manual for the Computer Continuum Expansion Board for Sinclair ZX-80/ZX-81/MicroAce computers, providing a buffered bus with four 44-pin card-edge connectors for connecting peripherals or user-built circuits.