Article View: comp.sys.atari.st
Article #31141Re: RAM expansion chips, etc.
From: Hartmut Semken
Date: Tue, 08 Mar 1988 16:49
Date: Tue, 08 Mar 1988 16:49
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In article <3675@cup.portal.com> Harold_Hank_Hagquist@cup.portal.com writes: >You can use 256K chips to go up to 1Meg of total memory. If you want to go any >higher you need to go to 1Meg chips. This is because to ST can only access >4 banks of chips. If you want an up grade board, I can get you one. To upgrade Wrong. If you get a good soldering iron someone who can handle it one of each HC00, HC139, HC573 lots of wire and the german magazine ST Special you can make an upgrade to 2.5 M with 41256-12 chips (48 of them). It works. A friend of mine is working on a board for the chips so you don't need to build stacks of 4 chips.. hase -- Hartmut Semken, Berlin (West) (*east of West-Germany :-) hase@netmbx.UUCP I think, you may be right in what I think you're thinking. (Douglas Adams)
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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!mcvax!unido!tub!tmpmbx!netmbx!hase From: hase@netmbx.UUCP (Hartmut Semken) Newsgroups: comp.sys.atari.st Subject: Re: RAM expansion chips, etc. Message-ID: <1492@netmbx.UUCP> Date: 8 Mar 88 16:49:49 GMT References: <880229-093722-1392@Xerox> <3675@cup.portal.com> Reply-To: hase@netmbx.UUCP (Hartmut Semken) Organization: netmbx Public Access Unix, Berlin Lines: 18