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    Ingo Paschke (ipaschke@mastodon.social)'s status on Wednesday, 06-Dec-2023 07:43:36 JSTIngo PaschkeIngo Paschke
    in reply to
    • SuperDicq

    @SuperDicq I guess that's just what they went with, just the same as their 5 1/4" format, just double the tracks. As an interesting aside, Microsoft invented an on-disk format that allowed for 1680KB on 1,44MB disks to distribute their software: https://en.wikipedia.org/wiki/Distribution_Media_Format

    In conversationabout a year ago from mastodon.socialpermalink

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      Distribution Media Format
      Distribution Media Format (DMF) is a format for floppy disks that Microsoft used to distribute software. It allowed the disk to contain 1680 KiB of data on a 31⁄2-inch disk, instead of the standard 1440 KiB. As a side effect, utilities had to specially support the format in order to read and write the disks, which made copying of products distributed on this medium more difficult. An Apple Macintosh computer running Disk Copy 6.3.3 on the Mac OS 7.6 or later operating system can copy and make DMF disks. The first Microsoft software product that uses DMF for distribution were the "c" revisions of Office 4.x. It also was the first software product to use CAB files, then called "Diamond". Comparison of DMF and standard 1440 KiB 31⁄2-inch diskettes: DMF in the form of a 1680 KiB Virtual Floppy Disk (VFD) image and IBM Extended Density Format (XDF) images are supported by Windows Virtual PC. See also 2M, a program that allows the formatting...
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