Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!asuvax!ncar!gatech!prism!mailer.cc.fsu.edu!loligo!swanson From: swanson@loligo.cs.fsu.edu (Bob Swanson) Newsgroups: comp.os.cpm Subject: Re: Help needed: Compupro 8/16 running concurrent cp/m Message-ID: <1991Jun14.031756.12358@mailer.cc.fsu.edu> Date: 14 Jun 91 03:17:56 GMT References: <15165@ucrmath.ucr.edu> Sender: news@mailer.cc.fsu.edu (Usenet News File Owner) Organization: /etc/organization Lines: 3 Nntp-Posting-Host: loligo Been some time since I played with 8" disks, but I seem to recall that the sector index hole is in a different spot on double sided disks. That's how your box "knows" it's being fed single sided disks.