From: William Levak (wlevak_at_sdf.lonestar.org)
Date: 2006-12-30 06:44:58
On Fri, 29 Dec 2006, Anders Carlsson wrote:
> Date: Fri, 29 Dec 2006 09:11:05 +0100 (CET)
> From: Anders Carlsson <anders.carlsson@sfks.se>
> Reply-To: cbm-hackers@ling.gu.se
> To: cbm-hackers@ling.gu.se
> Cc: homestead@videocam.net.au
> Subject: Re: Need "Quad-Density" disks?
>
> On Fri 2006-12-29 06:00, William Levak wrote:
>
>> Quad Density and High Density are both 96 tpi.
>
> The biggest question is whether any floppy disk manufacturer ever
> sold 5.25" floppy disks labeled QD, or if it is a designation
> invented by the users. Up to now, the handful brands I've seen
> are labeled 96 tpi DD or something similar (or 100 tpi in case
> of PET-DISK).
Yes, I have seen disks labeled QD. They were never as popular as HD
disks, Mainly because IBM used HD drives in the AT.
There are no standards for naming disks, so the manufacturers can call
them almost anything they want.
wlevak@sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org
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