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Article #10293

Compact Virtual needed.

#10293
From: Graham Heyes
Date: Fri, 20 Nov 1992 18:29
36 lines
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Since I have most of the parts lying about and have lots
of experience with 680x0 series micros I am making my own 
68030 board to plug into a Mac Plus.

I am doing this mostly as a fun project but also so that 
I don't get those annoying "Illegal instruction" errors 
and can run virtual memory. I hnow I can get a commercial
68030 accelerator for <$400 but that takes all the fun 
out of it.

I learned today that I can't run virtual memory on a Mac 
Plus because the ROMs don't have some essential toolbox
routines in them. I am told that I may be able to use
"Compact Virtual" from Connectrix which, I think, patches
the system to allow VM to work properly. I called 
Connectrix and they want $99 plus shipping etc but can't
guarantee that it will work with my home made board. 
I spoke with their technical support people and someone
suggested that maybe I could collaborate with a friend
who already has "Compact Virtual". Well it's a good idea
but I don't know anyone like that.

	So maybe someone reading this has upgraded to a
bigger and better Mac and has a copy they don't need any
more that they can let me use or will sell me the rights,
Whatever! If it works then I'll go back to Connectrix so
that I can get support, upgrades, manuals and all those 
goodies.

The whole point is that I am not sure if it will work.
The 68030 swap will almost certainly work but the VM part
has me worried. So if anyone can help me out please send
me an email.

	Graham.
			heyes@dadev.cebaf.gov 
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Message-ID: <HEYES.92Nov20132944@dadev.cebaf.gov>
Path: arc1-ca.pugleaf.net!sparky!uunet!europa.asd.contel.com!darwin.sura.net!uvaarpa!murdoch!murdoch.acc.virginia.edu!heyes

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Newsgroups: comp.sys.mac.apps
Path: arc1-ca.pugleaf.net!sparky!uunet!europa.asd.contel.com!darwin.sura.net!uvaarpa!murdoch!murdoch.acc.virginia.edu!heyes
From: heyes@dadev.cebaf.gov (Graham Heyes)
Subject: Compact Virtual needed.
Message-ID: <HEYES.92Nov20132944@dadev.cebaf.gov>
Sender: usenet@murdoch.acc.Virginia.EDU
Organization: Continuous Electron Beam Accelerator Facility
Distribution: comp.sys.mac.apps
Date: Fri, 20 Nov 1992 18:29:44 GMT
Lines: 36