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From: perry@killer.UUCP
Newsgroups: comp.sys.mac
Subject: Re: Using single-sided disks double-sided.
Message-ID: <983@killer.UUCP>
Date: Tue, 9-Jun-87 20:13:11 EDT
Article-I.D.: killer.983
Posted: Tue Jun  9 20:13:11 1987
Date-Received: Sat, 13-Jun-87 10:37:13 EDT
References: <5352@ut-ngp.UUCP> <948@apple.UUCP>
Organization: The Unix(tm) Connection, Dallas, Texas
Lines: 35
Keywords: Disks double-sided single-sided
Summary: Problems?   Where?

In article <948@apple.UUCP>, han@apple.UUCP (Byron Han) writes:
> In article <5352@ut-ngp.UUCP>, mentat@ut-ngp.UUCP (Robert Dorsett) writes:
> > Is there anything wrong with formatting disks labeled as single-sided as
> > double-sided?  I just upgraded to a Mac Plus and the manual says, quite 
> > explicitely, "Do NOT" format single-sided disks as double-sided disks.  
> 
> Sure you can go ahead and format single-sided diskettes as double-sided.
> *****You run the risk of losing data******
> 
> Single sided diskettes are validated on one side only.  Double sided are
> validated on both.
> 
> By saving a few bucks by using single sided diskettes as double, you may
> lose important data.  You do not know when, or even if, but why take a chance
> for such little savings????

Just to add my own contribution to this discussion...
 
 I have been faithfully using Single sided disks for Double sided data ever
since I got my upgrade (1 year).  I know that the general feeling among those
"in the industry" is to warn you away from trying to use a SS disk for 800K.
I am sure they have their reasons, but I have never run into a problem, and 
since they use the SAME material to make single AND double sided disks, 
depending on which "basket" it falls into, I don't think the chances are very
good that I ever will.

 The thing I am wondering about is that if they don't actually verify both sides
of the disk, and later decide which way they are going to WARRANTY them to 
sell them as SS or DS.  

 Well, enough from me...
      - Alan

'Don't worry about doing the right thing.
 Just never knowingly do the wrong thing.'  - John Stakely