---
title: "Additions and Modifications to System Initialization"
id: 52216
type: "document"
slug: "additions-and-modifications-to-system-initialization"
url: "http://localhost/document/additions-and-modifications-to-system-initialization/"
markdown_url: "http://localhost/document/additions-and-modifications-to-system-initialization.md"
published_at: "2023-11-16T19:10:03+00:00"
modified_at: "2026-03-15T19:49:06+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Handwritten notes about how the Timex/Sinclair 2068 boot process works, including probing for devices attached via the bus expansion unit."
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/"
document_url: "https://archive.org/details/timex-computer-corp/Additions%20and%20Modifications%20to%20System%20Initialization/mode/1up"
pages: 8
document_date: "1983"
document_publisher:
  - id: 11401
    title: "Timex Computer Corporation"
    type: "company"
    url: "http://localhost/company/timex-computer-corporation/"
---

Handwritten notes about how the Timex/Sinclair 2068 boot process works, including probing for devices attached via the bus expansion unit.