Path: utzoo!attcan!uunet!mcsun!cernvax!chx400!urz.unibas.ch!frank From: frank@urz.unibas.ch Newsgroups: comp.sys.mac Subject: Re: '030 upgrade for Mac+(repost) Message-ID: <1990Jun28.162902.806@urz.unibas.ch> Date: 28 Jun 90 15:29:02 GMT References: <12896@shlump.nac.dec.com> <137926@sun.Eng.Sun.COM> Organization: University of Basel, Switzerland Lines: 25 In article <137926@sun.Eng.Sun.COM>, fiddler@concertina.Sun.COM (Steve Hix) writes: > In article <12896@shlump.nac.dec.com>, long@mcntsh.enet.dec.com (Rich Long) writes: >> >> In article <11176@pucc.Princeton.EDU> RSBONDI@pucc.Princeton.EDU writes: >> >> >Warning!! Warning!! This is what I thought until I called Dove >> >about their $500.- '030 board (MacConnection price). Turns out >> >you do not get an appreciable speed increase at all: all the board >> >is good for is PMM - and if that were all I wanted, I personally >> >would buy some cheap RAM and the Virtual INIT instead. As far >> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ >> >> Umm... you'll have to run that by me again. If you have a Plus or SE (as I >> assume you do; otherwise, why the interest in the Dove board?), buying Virtual >> won't get you a thing--you've got to have the MMU. > > According to my copy of Motorola's "MC68030 Enhanced 32-Bit Microprocessor > User's Manual", section 9, the '030 has the MMU built in. The FPU, too. !^^^^^^^^^^^^! > > Admittedly, the '020 needs an MMU to work with Virtual. > Nope! Not the '030!!! The '040 is the first chip with an on-chip FPU (or at least parts of it).