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From: michaelv@MindBender.HeadCandy.com (Michael L. VanLoon)
Newsgroups: comp.unix.bsd.netbsd.misc
Subject: Re: NetBSD on a Mac SE?
Date: 03 Dec 1995 07:19:53 GMT
Organization: HeadCandy Associates... Sweets for the lobes.
Lines: 30
Message-ID: <MICHAELV.95Dec2231953@MindBender.HeadCandy.com>
References: <49m0u3$lvl@huron.eel.ufl.edu>
NNTP-Posting-Host: mindbender.seanet.com
In-reply-to: raub@kushana.aero.ufl.edu's message of 1 Dec 1995 04:39:31 GMT
In article <49m0u3$lvl@huron.eel.ufl.edu> raub@kushana.aero.ufl.edu (Mauricio Tavares) writes:
I have recently saved from the dumpster one of those old Mac SEs
(14MHz 68000). Knowing that its max onboard RAM is 4MB and provided I
had a large enough hard drive, would the Mac port of NetBSD run on such
beast?
Actually, it's a 16MHz 68000. And, I could be mistaken, but I believe
it maxes out at 8MB of RAM (at least the SE30's did).
But, no. It is impossible to run a modern unix on a 68000 processor
without lots of black magic hardware (which wouldn't be supported,
anyway) to make up for the fact that the 68000 has no memory
management unit, and absolutely no support for adding one. This would
be akin to trying to run unix on a PC with an 8088 in it.
You must have a minimum of a 68020+PMMU, or a 68030 (which has the MMU
built in). Just like you need a minimum of a 386 in a PC.
Anyway, the experts on the Mac port can be found at
port-mac68k@NetBSD.org.
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Michael L. VanLoon michaelv@HeadCandy.com
--< Free your mind and your machine -- NetBSD free un*x >--
NetBSD working ports: 386+PC, Mac 68k, Amiga, HP300, Sun3, Sun4,
DEC PMAX (MIPS), DEC Alpha, PC532
NetBSD ports in progress: VAX, Atari 68k, others...
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