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Article #2363Re: Re: JS&A ad and ST future
From: LocklearLB
Date: Mon, 03 Feb 1986 14:36
Date: Mon, 03 Feb 1986 14:36
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>I would like to add my experience to these rumors. Having an early 520ST >(rev A) I was able to upgrade to 1Meg. Now the bad news: The now avai- >lable ROM version of TOS will ignore this upgrade. It will still work if >the additional DRAMs are in but without using them. Furthermore if you >change the appropriate system variables to update top of memory and 'MMU" >configuration byte the system will NOT work after a reset. One has to turn >it off and on again. I haven't found the routines yet who make it appearently >impossible to utilize a selfupgraded 520ST (any hints?) > >Stephan W. Wendl I think the problem you are having is probably more related to the fact that you have a Rev. A board. I just put in the ROMs on Rev. B board and I still have 1 MEG of memory that works just fine. Are you sure you have the final ROMs and not the EPROMs that were available early? Barry Locklear AT&T Information Systems Labs Denver, CO
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 (Denver Mods 7/26/84) 6/24/83; site druhi.UUCP Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxt!houxm!mtuxo!drutx!druhi!lbl From: lbl@druhi.UUCP (LocklearLB) Newsgroups: net.micro.atari Subject: Re: Re: JS&A ad and ST future Message-ID: <203@druhi.UUCP> Date: Mon, 3-Feb-86 09:36:53 EST Article-I.D.: druhi.203 Posted: Mon Feb 3 09:36:53 1986 Date-Received: Wed, 5-Feb-86 01:09:48 EST References: <12177599929.8.MRC@PANDA> <215@imagen.UUCP> <857@spp2.UUCP> <505@kontron.UUCP> Organization: AT&T Information Systems Laboratories, Denver Lines: 20