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From: taab5@isuvax.iastate.edu (Marc Barrett)
Newsgroups: comp.sys.amiga.advocacy
Subject: Re: The Amiga's Future
Message-ID: <1991Jun6.052731.7220@news.iastate.edu>
Date: 6 Jun 91 05:27:31 GMT
References: <1991Jun03.053144.3208@ariel.unm.edu> <5202@dirac.physics.purdue.edu> <193f5229.ARN018e@nesbbx.UUCP>,<441@netxcom.netx.com>
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In article <441@netxcom.netx.com>, logan@netxcom.netx.com (Jim Logan) writes:
>In article <193f5229.ARN018e@nesbbx.UUCP> billsey@nesbbx.UUCP writes:
># 
># 	Actually, no. When the 3000 came out, and now, it had a set of special
># boot ROMs (or EPROMs) that loads a kickstart off of disk. Just like the 1000
># does. The difference is, it loads that kickstart into system memory, then uses
># the MMU to map it to a ROM location. That means you use up some of your system
># memory whenever you're running. (256K for 1.3, 512K for 2.0) That will go away
># with the release of real 2.0 ROMs, freeing up the 512K for applications to use.
>
>Actually, I hope that when they come out with the ROMs, they
>allow you to copy the code into RAM.  I believe that the access
>time of ROM is much slower than RAM, and on a 3000UXD I have lots
>of memory to spare.  I've never run an application that utilized
>more than 2MB of memory.   

   That will likely be possible with an updated SetCPU, but it will require
an Amiga with an MMU.  It will not be possible to do this on an Amiga 
without an MMU.

>
>I'd like it to be copying the ROMs into RAM while my hard disk is
>spinning up so that by the time the disk is ready to be read from,
>the OS is already running from RAM.  My current boot ROMs don't wait
>long enough for my hard drive to spin up.  I have to do a warm
>boot after I turn on the power because I get the "2.0 HD/FD or
>1.3 HD/FD" menu with the HD for both shaded out.  That sucks.
>(I know people will query me on this one, so I'll beat you to it:
>I have a 340MB Maxstor HD.)
>
>-- 
>Jim Logan                Home: logan%gimlet@uunet.uu.net
>Consultant               Work: logan@netx.com
>Net Express, Inc.       Phone: (703) 749-2269
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