---
title: "Draft Microdrive, LAN and RS232 Software Documentation"
id: 52287
type: "document"
slug: "draft-microdrive-lan-and-rs232-software-documentation"
url: "http://localhost/document/draft-microdrive-lan-and-rs232-software-documentation/"
markdown_url: "http://localhost/document/draft-microdrive-lan-and-rs232-software-documentation.md"
published_at: "2023-12-26T19:02:46+00:00"
modified_at: "2026-03-15T19:49:22+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Internal Timex/Sinclair draft software documentation by M.J. Brennan (dated April 1983) covering the Microdrive file handling system, LAN network protocol, and RS232 interface, including data structures, system variables, and ROM procedure call codes."
category:
  - name: "Documentation"
    slug: "documentation"
    taxonomy: "category"
    url: "http://localhost/category/documentation/"
post_tag:
  - name: "Timex Computer Corporation"
    slug: "timex-computer-corporation"
    taxonomy: "post_tag"
    url: "http://localhost/tag/timex-computer-corporation/"
  - name: "TS 2068"
    slug: "ts2068"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts2068/"
model:
  - name: "Timex/Sinclair 2068"
    slug: "ts-2068"
    taxonomy: "model"
    url: "http://localhost/model/ts-2068/"
indiv:
  - name: "M. J. Brennan"
    slug: "m-j-brennan"
    taxonomy: "indiv"
    url: "http://localhost/indiv/m-j-brennan/"
doc_author: "M. J. Brennan"
document_url: "https://archive.org/details/timex-computer-corp/Draft%20Microdrive%2C%20LAN%20and%20RS232%20Software%20Documentation/mode/1up"
pages: 9
document_date: "April 4, 1983"
document_publisher:
  - id: 11401
    title: "Timex Computer Corporation"
    type: "company"
    url: "http://localhost/company/timex-computer-corporation/"
---

Internal Timex/Sinclair draft software documentation by M.J. Brennan (dated April 1983) covering the Microdrive file handling system, LAN network protocol, and RS232 interface, including data structures, system variables, and ROM procedure call codes.