Article 154544 of comp.sys.apple2:
Newsgroups: comp.sys.apple2
Subject: Re: Reading MS-DOS in a Superdrive 3.5
From: dempson@actrix.gen.nz (David Empson)
Date: Mon, 15 Nov 1999 09:51:44 +1300
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Mark Percival <mark.REMOVE.percival@videotron.ca> wrote:

> It is also a good idea to full format of pre-formatted disks.  Most
> pre-formatted disks use a 1:1 interleave whick makes reading these
> disks on a Superdrive horribly slow.

Are you sure about that?  The SuperDrive card has a read buffer and
reads the entire track in one pass, so it doesn't matter what interleave
you use for reading.  My personal experience with the SuperDrive is that
there is no measurable difference between 1:1 and 2:1 for reading.

The real problem is writing.  A 1:1 interleave disk in a SuperDrive
writes well under half the speed of a 2:1 interleave disk.

-- 
David Empson
dempson@actrix.gen.nz
Snail mail: P O Box 27-103, Wellington, New Zealand