On Tue, 8 May 2001 12:22:30 -0700 (PDT) "Fred Cisin (XenoSoft)"
<cisin_at_xenosoft.com> writes:
> Intertec (Superbrain) called their format "QUAD density" when they
> went to double sided on their MFM 48 tpi.
> So, then when they came out with a 2 sided MFM 96 tpi format (720K),
> since they had used up the name QUAD, they called it "SUPER density",
> which they abbreviated "SD"!
Smoke Signal Broadcasting used to refer to this as 'Octo-density'.
Jeff
>
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Received on Tue May 08 2001 - 15:31:23 BST