Article View: comp.sys.atari.st
Article #32029Re: Writing to the cartridge port.
From: unpowell
Date: Tue, 19 Apr 1988 16:59
Date: Tue, 19 Apr 1988 16:59
29 lines
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1597 bytes
In article <8804132155.AA23202@ucbvax.Berkeley.EDU>, 440488@UOTTAWA.BITNET (Doctor Who) writes:
>
> Recently I was browsing thu an ST magazine, Reset to be specific and I
> noticed an ad for a product by Alpha Systems called Megadisk. It is one
> megabyte of ram that plugs into the cartridge port.
> But according to the infamous Abacus book ST Internals, (p96) writing
> to this address creates a bus error. They tried putting a ram disk in
> the port but without sucess.
>
> How did Alpha get around this so that the Megadisk would work with
> out creating bus errors?
>
> Doctor Who
Who knows? One Meg seems a little optomistic as the ST only has
128K of address space available for the cartridge port. Where will this
extra memory go?
Mark Powell
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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!mcvax!ukc!mupsy!liv-cs!unpowell From: unpowell@csvax.liv.ac.uk Newsgroups: comp.sys.atari.st Subject: Re: Writing to the cartridge port. Message-ID: <542@csvax.liv.ac.uk> Date: 19 Apr 88 16:59:12 GMT References: <8804132155.AA23202@ucbvax.Berkeley.EDU> Lines: 28 Organisation: Computer Science CSVAX (VAX1), Liverpool University