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From: bammi@mandrill.CWRU.Edu (Jwahar R. Bammi)
Newsgroups: comp.sys.atari.st
Subject: Re: ST hard
Message-ID: <2269@mandrill.CWRU.Edu>
Date: Mon, 5-Oct-87 23:10:12 EDT
Article-I.D.: mandrill.2269
Posted: Mon Oct  5 23:10:12 1987
Date-Received: Fri, 9-Oct-87 05:49:31 EDT
References: <8710011017.AA11188@ucbvax.Berkeley.EDU> <858@atari.UUCP>
Reply-To: bammi@mandrill.CWRU.Edu (Jwahar R. Bammi)
Distribution: world
Organization: Case Western Reserve University
Lines: 16

In article <858@atari.UUCP> dyer@atari.UUCP (Landon Dyer) writes:
>> 7. It should not be very hard to insert a MMU between the 68000 and the
>>    rest of the chips.
>
>It is.  Very hard.  There are NO nanoseconds available -- even
>one gate delay would kill memory access.
>

	It seems to me that un-grounding DTACK and attaching it to a *real*
MMU should give you as many nanosecond as you would want, or am i missing
something. I will take a few nanoseconds penalty for a real MMU.
-- 
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