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Article #19302Re: diskette drive puzzle - help!
From: Mark
Date: Fri, 22 Jan 1993 13:56
Date: Fri, 22 Jan 1993 13:56
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3403 bytes
In article <1993Jan20.213619.19025@kronos.arc.nasa.gov>, chguest@pioneer.arc.nasa.gov ( Charles J. Guest ) writes: > Okay folks I got one for you, how's this for an unusual problem: > > Hardware: AMI 386 > Floppy drive a: 1,2 meg 5.25 inch > Memory: 640+384 and 3 meg expanded on add in card. > DOS: 4.01 > > I had un unusual failure last night. I would put a 5.25 inch > disk in drive a, do a 'dir' on it and get the information. I > then put a new diskette in it and did a 'dir' and got the SAME > information as on the first disk... problem was the diskettes > were totally different. Even the serial numbers on the diskettes > showed the same. This problem would go away with a power off > or a reboot, that is to say it would now read the second diskette okay, > but if I put in a third it would again show the same dir information > from diskette two. > > It would access files from the first diskette okay, but if I put > in a new diskette and attempted to run a program known to be on > diskette 2, it would not find it, seemingly because it still thought > it had the first diskette in there. > > The obvious question: What the heck have I got broken here. > > I checked for viruses with the new McAffee scan (99?) (97?) but > nothing was found. I was told possibly a bad drive, but I cant > figure out how that would be the problem. I am thinking controller > card, but that same card also controls my HD, so I dont want to > mess with it if I dont have to. I also am playing with the idea > that it is something funny on the motherboard. Ugh. Yea it was > used, but an old QAplus checked it out okay before I installed it. > > Any ideas? > > Thank you. > Charles > > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > + *READ* ---> The opinions expressed above are to the best of my knowledge, + > + however all options should be discussed with persons who have professional+ > + training with the subjects covered here. * ALL POSSIBLE DISCLAIMERS APPLY!+ > + ____FROM: chguest@pioneer.arc.nasa.gov =>or<= sun!ames!pioneer!chguest____+ > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > + ...One useless man is called a disgrace, two are called a law firm, and + > + three or more become a congress.... + > + A new Soviet/American truism - KGB does NOT stand for Kinder Gentler Boys + > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ You may find that the switch that senses the change of disk is not working. If this is the case, then when you try to do a dir, the computer will use the information that it took from the last disk access. The disk will still spin though. Mark -- Mark ______________________________________________________________________________ mark@uk.ac.ox.physchem
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Path: arc1-ca.pugleaf.net!sparky!uunet!pipex!doc.ic.ac.uk!uknet!comlab.ox.ac.uk!mark From: mark@physchem.ox.ac.uk (Mark) Newsgroups: comp.sys.ibm.pc.hardware Subject: Re: diskette drive puzzle - help! Message-ID: <1993Jan22.135640.8413@physchem.ox.ac.uk> Date: 22 Jan 93 13:56:40 GMT References: <1993Jan20.213619.19025@kronos.arc.nasa.gov> Sender: mark@physchem (Mark) Organization: Physical Chemistry Laboratory, South Parks Road, Oxford OX1 3QZ Lines: 64 Originator: mark@joule.pcl