---
title: "Disk Makers Ire Stirred by Tester"
type: "article"
slug: "disk-makers-ire-stirred-by-tester"
url: "http://localhost/article/disk-makers-ire-stirred-by-tester/"
markdown_url: "http://localhost/article/disk-makers-ire-stirred-by-tester.md"
published_at: "2026-03-12T18:37:33+00:00"
modified_at: "2026-03-12T18:37:34+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Reprint from MIS Weekly (November 2, 1987) reporting on a survey of 18 floppy disk brands conducted by Memory Control Technology Corp. (Memcon) using ANSI extra-bit and missing-bit testing. BASF, JVC, and Memorex achieved 100% pass rates; Dysan and Xidex performed worst with 39 failures per 200 disks tested."
category:
  - name: "SMUG Bytes"
    slug: "smug-bytes"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/smug-bytes/"
indiv:
  - name: "Marsha Johnston Fisher"
    slug: "marsha-johnston-fisher"
    taxonomy: "indiv"
    url: "http://localhost/indiv/marsha-johnston-fisher/"
publication_r:
  id: 37935
  title: "SMUG Bytes"
  type: "periodical"
  url: "http://localhost/periodical/smug-bytes/"
authors_r:
  - name: "Marsha Johnston Fisher"
    slug: "marsha-johnston-fisher"
    taxonomy: "indiv"
    url: "http://localhost/indiv/marsha-johnston-fisher/"
volume: "4"
issue: "12"
issues_articles:
  - id: 50218
    title: "SMUG Bytes v4 n12"
    type: "issue"
    url: "http://localhost/issue/smug-bytes-v4-n12/"
pages: "4"
pubdate: "December 1987"
archive_link: false
---

# Disk Makers Ire Stirred by Tester

Reprint from MIS Weekly (November 2, 1987) reporting on a survey of 18 floppy disk brands conducted by Memory Control Technology Corp. (Memcon) using ANSI extra-bit and missing-bit testing. BASF, JVC, and Memorex achieved 100% pass rates; Dysan and Xidex performed worst with 39 failures per 200 disks tested.