Date   : Tue, 30 Jul 1985 08:51:01 PDT (Tuesday)
From   : ABN.ISCAMS@USC-ISID.ARPA
Subject: Re: using both side of disks

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Re using both sides .. I shall not address the safety of this, wear and tear,
certified sides, etc.  (That's been discussed plenty.)

However, the index holes are no problem.  I have a batch of junk disks
I experiment with.  THREE holes now!  One at about 1:00 for single-side
drives, one at about 2:00 for regular double side (yep, that's how the
drive can tell!), and one at 11:00 for flipping single-sided ones.

PS: you have to tape over the double-sided one if you want to do single-side
or flip-side on a double-side drive!  Gave me fits for a while.

Regards,
David Kirschbaum
Toad Hall
ABN.ISCAMS@USC-ISID