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Article #2453

Re: need to diskcopy 1.2Mb to 1.44Mb, any ideas?

#2453
From: Eelco van Asperen
Date: Wed, 15 Aug 1990 07:15
24 lines
1723 bytes
cybrspc!roy@cs.umn.edu (Roy M. Silvernail) writes:
>alan@km4ba.UUCP (Alan Barrow) writes:
>> 
>> For obscure reasons I won't bore ya'll with, I need to diskcopy
>> some 1.2Mb floppies to 1.44Mb. DOS diskcopy works fine from 
>> 1.2 to 1.2, even though the disk are not dos disks.
>
>I'm afraid you're out of luck. Diskcopy makes, in effect, a photograph
>of the original disk on the target disk. This includes the physical
>arrangement of the data on the disk. (that's why you make a copy of a
>damaged disk with diskcopy and attempt recovery on the copy, rather than
>the original) 1.2Mb and 1.44Mb disks are arranged differently to begin
>with... so the 'picture' of the 1.2 won't fit on the 1.44.

This can be done *if* you have a pc with both drives attached. Use the
setup program to change the CMOS parameters for the 3.5" drive to make
it appear like a 1.2Mb drive. Then you can use diskcopy to copy the disk
and restore the CMOS setting. I just used this trick to do this and it
worked o.k.

-- 
Eelco van Asperen.       uucp: evas@cs.eur.nl || asperen@hroeur5.bitnet
Erasmus University Rotterdam, The Netherlands || disclaimer ??
No one is free to do what he can't think off. || did you see any claims ??
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Message-ID: <1990Aug15.071523.10122@cs.eur.nl>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!mailrus!cs.utexas.edu!uunet!mcsun!hp4nl!eurtrx!euraiv1!evas
References: <153@km4ba.UUCP> <3ekwN1w162w@cybrspc>

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From: evas@cs.eur.nl (Eelco van Asperen)
Newsgroups: comp.sys.ibm.pc.misc
Subject: Re: need to diskcopy 1.2Mb to 1.44Mb, any ideas?
Keywords: floppy, 1.44, 1.2
Message-ID: <1990Aug15.071523.10122@cs.eur.nl>
Date: 15 Aug 90 07:15:23 GMT
References: <153@km4ba.UUCP> <3ekwN1w162w@cybrspc>
Organization: Erasmus Universiteit Rotterdam, dept. CS (Informatica)
Lines: 24