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- Xref: sparky comp.sys.cbm:3504 misc.test:10266
- Path: sparky!uunet!munnari.oz.au!mel.dit.csiro.au!yarra!cmutual.com.au!nag
- From: nag@cmutual.com.au (Neville Grills)
- Newsgroups: comp.sys.cbm,misc.test
- Subject: Re: 1541 Disk Drive chucked a wobbly
- Message-ID: <1992Aug31.022221.21203@cmutual.com.au>
- Date: 31 Aug 92 02:22:21 GMT
- Organization: Colonial Mutual Life Australia
- Lines: 51
-
- >Date: Tue, 4 Aug 92 13:23 CDT
- >From: jmc@engr.uark.edu (John Carmack)
- >To: nag@cmutual.com.au
- >Subject: Re: 1541 Disk Drive chucked a wobbly
- >Newsgroups: comp.sys.cbm,misc.test
- >References: <1992Jul30.015645.26652@cmutual.com.au>
- >In comp.sys.cbm you write:
- >
- >
- >>
- >>My brother has a 1541 disk drive that has a problem.
- >>When it is turned on the red light comes on on and stays on
- >>and the disk drive motor keeps spinning. Its probably not worth
- >>taking to a workshop so any ideas on diagnosing the problem would
- >>be most welcome. Obviously as its a basket case we have no
- >>trepidation in pulling the gizzards apart if that will help.
- >>
- >>He is talking about ditching the 64 system and getting
- >>a PC, please help before we lose another 64 user.
- >
- >Hey, don't give up yet!! I've seen this problem too many times to count
- >on my school's several 1541's. What this is is one of the ROM's has fried
- >itself. A replacement rom ought to do it (about 20 dollars if I remember
- >right)
- >the number on that puppy is 901229-05. What happens on these things is that
- >when you turn the drive on, it goes to the rom to find out what it's supposed
- >to do (going through the reset sequence, clearing the internal memory
- >registers,
- >etc. When one of the roms is dead, the internal processor in the 1541 is
- >asking
- >"Okay, what do I do now that I've got power" and the rom just sits there and
- >says "Duuuuhhhhhhhh.......", and all the drive knows to do is sit and spin.
- > A new rom ought fix it. I make no guarantees,
- >however, but this has fixed every single 1541 I've run ito with this problem.
- >
-
-
- Thanks to jmc in Arkansas ,I am happy to say I now have a working 1541. I wonder if I should tell my brother its fixed?
- The ROM in Australia cost $15.60 from Charlies Computer Workshop in Abbotsford.
- This is about $US 11. Maybe they're cheaper here.
-
- Thanks again for the info.
-
- Neville
-
-
- --
- ___ _ |Neville Grills, Systems Analyst
- /|/ __ __ |Colonial Mutual Life Australia. (ACN 004021809)
- / | /_((_/ |EMAIL: NGrills@cmutual.com.au
- _________/___________________|PHONE: +61-3-6076585 FAX: +61-3-6076198
-