[sebhc] Hard-sectored disks

dwight elvey dkelvey at hotmail.com
Fri Feb 9 09:40:29 CST 2007

>From: "Dave Dunfield" <dave06a at dunfield.com>
> > i'm not an apple expert but here's the source that says the Apple II 
>used 16
> > "hard" sectored disks:
> >
> > http://retrotechnology.com/herbs_stuff/drive.html#facts
>Wow - I'm surprised that Herb has such an error - I'll send him a note.
>It's entirely possible that a disk subsystem existed for the AppleII which
>used hard-sector disks, however the standard Disk-II system was
>definately soft sector, and definately did not require the index hole at
>all (I had a switch installed on one of my drives to allow you to defeat
>the write protect notch sensor - with this I could make backups on the
>back side of disks without having to physically alter them. They would
>read in any normal DiskII drive like any other write protected disk).
He may have been refering to some 8 inch system on an Apple??

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