Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!usc!wuarchive!csus.edu!ucdavis!csusac!sactoh0!ijpc!ianj
From: ianj@ijpc.UUCP (Ian Justman)
Newsgroups: comp.os.cpm
Subject: Re: uniform and 8 inch cpm formats on AT controllers
Message-ID: <3X19T1w163w@ijpc.UUCP>
Date: 16 Dec 90 01:35:37 GMT
References: <"14-Dec-90.22:31:53.EST".*.Michael_D._Sprague.wbst311@Xerox.com>
Organization: Ian Justman's IBM-PC
Lines: 15

sprague.wbst311@XEROX.COM writes:

> 
> > The 1.2M floppy format uses the same data-transfer rate as an 8" drive
> > (500Kbits/sec). This is also true for 1.44M drives.
> 
> > 360K floppies use the standard 250Kbits/sec.
> 
> Hmmm, I knew both of those, but what is the transfer rate for a quad density
> drive?  I assume 250K bits/sec?

What do you mean by "quad"?  I've heard it used several different
ways.  Quad meaning either the high density disks (1200k), or the
DD 96tpi.  If you're talking about the latter, it should be the
same rate as DSDD, 48tpi.