origins of IBM 3740 diskette format

Nico de Jong nico at FARUMDATA.DK
Fri Feb 25 00:02:01 CST 2005


From: "William Donzelli" <aw288 at osfn.org>
To: "General Discussion: On-Topic and Off-Topic Posts"
<cctalk at classiccmp.org>
Sent: Friday, February 25, 2005 3:40 AM
Subject: Re: origins of IBM 3740 diskette format


> > The way I see it, it is rubbish.
>
> The book says one diskette can hold 1898 records (cards). Almost a full
> box.
>
Well, that is exactly what I said : 73 x 26. Thats why you cant say that it
was developped with a full box of cards in mind. On top of that comes the
fact that the smallest sectorsize supported is 128 bytes, while (most) cards
are 80 bytes

Nico




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