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Re: Apple IIc won't boot up



nathan@visi.com (Nathan Mates) wrote:

>In article <5cla74$sv9@geraldo.cc.utexas.edu>,
>Joseph B. Comstock <Boniface@mail.utexas.edu> wrote:
>>After a long storage, my Apple IIc won't load a program. It loads the
>>title page of whatever startup disk I use, then either crashes or
>>begins recycling through the startup routine again. Who can help me?

>   What version of the //c motherboard do you have? From the
>comp.sys.apple2 Frequently Asked Questions (FAQ) at
>http://www.visi.com/~nathan/a2/faq/csa2.html section 2.4:

>--- Begin quoting

>The //c had a number of internal revisions; the best way to check is
>to go into Basic and type "PRINT PEEK (64447)" and press return (no
>quotes). If it says 255, you have a very old //c; most of those
>motherboards had problems that prevented most //cs from getting
>reliable serial communications on faster than somewhere in the
>300-2400 baud ranges.

{snip}

>--- End quoting

>   If you do not have the 255 version, you can run a self test by
>hitting control-open apple-closed apple-reset. [If you have the 255
>version, you can start the self test, but it'll never really terminate
>with any useful information, so don't bother] Note any error messages
>reported; judging by comments online, flakey ram chips are a fairly
>common source of problems. Fortunately, with a replacement chip and a
>soldering iron, you can fix that.

>Nathan Mates
>--
><*> Nathan Mates http://www.visi.com/~nathan/      <*>

It's a 255, one of the first ones off the lot. Would the motherboard
problem be degenerative? It worked for nearly a decade with the same
equipment. If it is a ram chip, how would I get a new one?

Thanks for the help. That self test didn't help, but God it was fun to
watch!!