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From: consp13@bingsund.cc.binghamton.edu (Marcus Cannava)
Newsgroups: comp.sys.amiga.tech
Subject: Amiga 500 Problems
Keywords: A500, reset, problems
Message-ID: <2574@bingvaxu.cc.binghamton.edu>
Date: 24 Oct 89 15:13:56 GMT
Sender: usenet@bingvaxu.cc.binghamton.edu
Reply-To: consp13@bingsund.cc.binghamton.edu (Marcus Cannava)
Organization: SUNY Binghamton
Lines: 45


	I own a 3-year-old Amiga 500, and until recently, it's given me no
trouble. In the past few months, however, it's done some strange things,
and maybe someone out there can help..

	The problem is this: At any time, for no reason, during ANY piece of
software, using ANY peripheral, or using none, the Amiga will reset
itself, as if the power was turned off and on, quickly.

	I have taken the machine in to several dealers many times over, and
after pouring $500 into it for a replacement: Keyboard, Paula chip,
Mouse/peripheral controller chip, MOTHERBOARD, the Amiga is still doing it.

	Technicians have told me that it is probably not the amiga itself, but
a peripheral causing the reset spontaneously.

	No tech has been able to find a direct problem with either the Amiga or
any of the peripherals.

	I have:

		A500, A590 hard drive plus, A1080 monitor, A1040 external drive,
modem, printer, A501
		clockcard/expansion RAM.

	I've almost reached the end of my tolerance with this machine, and am
VERY disappointed with it, since I can no longer do any serious work on
it. Losing 2 hours of changes on a program for no reason gets me upset..

	There seems to be one side-effect: JUST before a reset (sometimes), the
monitor starts changing intensities. It will get dimmer, then brighter,
then really dim, then really bright, then *CRASH*, reset.
Note that this only happens SOMETIMES.

	Replacing the monitor did not help. 

	The power supply was checked, and found to be providing steady, clean power.

	Replacing the motherboard did not help.

	Detaching all peripherals and running the Amiga overnite caused 2 resets.

	Anyone have any ideas?

				\marc