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From: dimick@CAE.WISC.EDU
Newsgroups: comp.sys.amiga.hardware
Subject: a500 mem expansion
Message-ID: <9104170524.AA04874@ws-82.cae.wisc.edu>
Date: 17 Apr 91 05:24:09 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Lines: 28


Hiya,
	I have some questions about memory expansion on the A500.
I don't own an amiga (yet) and am curious as to the options 
available to upgrade memory.
	Recently I was paging thru a copy of Amigawoild and saw 
an ad for the adIde ICD hard drive controller.  What interested me most
though was the picture of the A500 motherboard, or at least part of
it.
        The corner with the expansion slots and memory was in view and 
I happened to notice that there were empty, solder filled holes just
waiting for memory chips. . . or so I imagine.
	Now, for the questions:
	I am pretty good with a soldering iron and have anti-static
equiptment.  So other than a voided warranty, does the added memory
cause any other problems?
	Are the memory chips 256 X 4 or some other configuration?
If something else, what kind are they?
	Has anyone else tried this, and if so could you let me know how 
it worked?
	One more:  I am not sure what revision of motherboard this was.
Are these holes existant in all the motherboards? some of them? just
one? none? (my imagination gone wild . . . )

			Marcus Dimick
			dimick@cae.wisc.edu

Many thanks in advance. .. (out of order)