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- Newsgroups: comp.os.msdos.misc
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!rpi!sarah!albnyvms.bitnet!LH7873
- From: lh7873@albnyvms.bitnet
- Subject: Re: *WEIRD* floppy drive error...
- Message-ID: <1992Dec22.060350.17024@sarah.albany.edu>
- Sender: news@sarah.albany.edu (News Administrator)
- Reply-To: lh7873@albnyvms.bitnet
- Organization: University of NY at Albany
- References: <1992Dec21.232946.20701@yang.earlham.edu>
- Date: Tue, 22 Dec 92 06:03:50 GMT
- Lines: 39
-
- In article <1992Dec21.232946.20701@yang.earlham.edu>, johnl@yang.earlham.edu (John Fiskio-Lasseter) writes:
- >I'm wondering if anyone has ever run into this problem before, and if so,
- >has anyone ever found a solution: In the last three weeks, three PC's --
- >a pair of 486SX machines and a 286 -- have come into our repair shop with
- >an identical problem. The 3.5"/1.44 meg drive will not read high-density
- >disks. It reads 720K disks without a problem. It reads 1.44M disks, but
- >only when they are write-protected. If not, the drive will crap out
- >("GENERAL FAILURE READING DRIVE A:", etc.), and the FAT and BOOT sectors
- >of the disk are destroyed (interestingly, ViruSafe reports that the disks
- >are infected with Michelangelo, although they are most certainly not).
- >
- >What seems to be happening is that every time the drive attempts to access
- >a 1.44M disk, it first performs a write operation somewhere in FAT and
- >BOOT area, rendering the disk unreadable. When the disk is
- >write-protected, the write operation fails and things carry on as usual,
- >except that a floppy isn't much good if you can't write to it.
- >
- >I am convinced this is a motherboard problem. I've switched out the
- >drive, the cable, the controller, the hard drive, the CPU, and the
- >RAM. The power supply connections all tested OK. Nothing works, and
- >what's more, *ALL* of these parts work fine in another motherboard
- >(including the drive). I've even tried replacing the oscillator on one
- >of the boards: nada. Anyone got any suggestions?
- >
- >Thanks,
- >-- John
- >+---------------------------------------------------------------------+
- >|John Howard Eli Fiskio-Lasseter | "Is obair-la\ to\iseachadh" |
- >|e-mail: johnl@yang.earlham.edu | ("Beginning is a day's work") |
- >| JOHNL@EARLHAM.BITNET | --Gaidhlig Proverb |
- >+---------------------------------------------------------------------+
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- Try posting in comp.sys.ibm.pc.hardware
- You may get more help there. Good Luck!
-
-