Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!husc6!cfa!hase
From: hase@netmbx.UUCP (Hartmut Semken)
Newsgroups: comp.sys.atari.st
Subject: Re: ST 4 meg limit
Message-ID: <1521@cfa.cfa.harvard.EDU>
Date: 20 Apr 89 21:56:35 GMT
References: <5271@cs.Buffalo.EDU>
Sender: news@cfa.harvard.EDU
Reply-To: hase@netmbx.UUCP (Hartmut Semken)
Organization: netmbx Public Access Unix, Berlin, West Germany
Lines: 16

In article <5271@cs.Buffalo.EDU> ugbernie@cs.Buffalo.EDU (Bernard Bediako) writes:
>
>Will Tos 1.4 allow the ST to use more than 4 megs of memory (that IS all it can
>address right?).  Also, is MINIX limited to 4 megs?  It doesn't use Tos.
>Or is the 4 meg limit set in the hardware?

Software isn't everything.

The custom chips in my ST (520 Rev C) have 22 bit adres registers.
So DMA, MCU, Shifter can adress 4 Meg. Nothing more...

hase
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Hartmut Semken, Lupsteiner Weg 67, 1000 Berlin 37 hase@netmbx.UUCP
If there is something more important than my Ego, I want it caught and shot.
Now! (Zaphod Beeblebrox)