---
title: "Sinclair ZX 8K ROM Upgrade"
id: 53259
type: "document"
slug: "sinclair-zx-8k-rom-upgrade"
url: "http://localhost/document/sinclair-zx-8k-rom-upgrade/"
markdown_url: "http://localhost/document/sinclair-zx-8k-rom-upgrade.md"
published_at: "2024-03-22T01:36:47+00:00"
modified_at: "2026-03-15T19:51:41+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Tom Bent's collection of documents related to the Sinclair ZX 8K ROM upgrade, including correspondence and technical notes about upgrading ZX-80/ZX-81 computers with the improved 8K ROM."
category:
  - name: "Documentation"
    slug: "documentation"
    taxonomy: "category"
    url: "http://localhost/category/documentation/"
post_tag:
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
model:
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
indiv:
  - name: "Tom Bent"
    slug: "tom-bent"
    taxonomy: "indiv"
    url: "http://localhost/indiv/tom-bent/"
doc_author: "Tom Bent"
document_url: "https://archive.org/details/tom-bent"
pages: 9
document_date: "1985"
---

# Sinclair ZX 8K ROM Upgrade

Tom Bent’s collection of documents related to the Sinclair ZX 8K ROM upgrade, including correspondence and technical notes about upgrading ZX-80/ZX-81 computers with the improved 8K ROM.