Newsgroups: comp.os.os9
Path: utzoo!utgpu!watserv1!maytag!watdragon!skeppeljones
From: skeppeljones@watdragon.waterloo.edu (Stephen Keppel-Jones)
Subject: Re: New Signetics 68070 machines
Message-ID: <1990Nov1.202932.15001@watdragon.waterloo.edu>
Organization: University of Waterloo
References: <488@pdxgate.UUCP>
Date: Thu, 1 Nov 90 20:29:32 GMT
Lines: 25

The MMU of the 68070 is unused by OS-9/68000 as it is only a Level-I version.
While there was some talk on Delphi about a Level-II version, the idea was
shot down.  With over 1Meg of RAM, the flat memory space is fine.  The MMU would
provide better process protectionm however.

As far as I know, there is no Unix for this machine.  OS-9 is close enough and
should allow most Unix software to run with little or no modifications.  Of
course, someone would have to write additional library routines, but that will
probably happen anyway.

The MM/1 and TC070 both come with OS-9/68000, C, and Basic09.  The MM/1 also
includes a graphics editor and a few other "goodies" that haven't been mentioned
outright.

The MM/1 comes with 1Meg of CPU/VSC RAM (compared to the TC070's 1.5Meg), but
any expansion ram becomes dedicated CPU RAM and the original 1Meg becomes
dedicated VSC RAM.  This configuration increases performance bay around 50%
we are told.  I do not know how the TC070 handles additional RAM.

If I missed one of your questions, please ask it again.

-- 

						Brian White
					(Using a friends account)