Re: Floppy write protection

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#260

From: Larry Jones
Date: Sun, 08 Apr 1990 14:12

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In article <1990Apr7.213734.19233@uunet!unhd>, mas770@uunet!unhd (Michael A Super) writes:
> Is there any way to override the write protection on a disk (write
> to a disk without a notch, for example) through software?  I know DOS
> won't allow this, but perhaps through the use af assembly code?  I 
> have never seen anything that will do this, and I was wondering if
> it was the controller that prevented these writes.  I would 
> appreciate the posting of any comments/solutions.

Yes, there is hardware on the controller that enforces the write
protect, so there is no way to disable it in software.  On the
other hand, a toggle switch and a few wires work wonders!
----
Larry Jones                         UUCP: uunet!sdrc!scjones
SDRC                                      scjones@SDRC.UU.NET
2000 Eastman Dr.                    BIX:  ltl
Milford, OH  45150-2789             AT&T: (513) 576-2070
"You know how Einstein got bad grades as a kid?  Well MINE are even WORSE!"
-Calvin

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!sdrc!scjones
From: scjones@sdrc.UUCP (Larry Jones)
Newsgroups: comp.sys.ibm.pc.programmer
Subject: Re: Floppy write protection
Message-ID: <1267@sdrc.UUCP>
Date: 8 Apr 90 14:12:16 GMT
References: <1990Apr7.213734.19233@uunet!unhd>
Distribution: na
Organization: SDRC, Cincinnati
Lines: 18

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