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- Newsgroups: comp.sys.atari.st
- Path: sparky!uunet!mcsun!sunic!aun.uninett.no!nuug!dhhalden.no!pc105.dhhalden.no!hanscs
- From: hanscs@dhhalden.no (HANS CHRISTIAN SANDER)
- Subject: Re: More Falcon news...
- Message-ID: <hanscs.58.722254832@dhhalden.no>
- Lines: 45
- Sender: news@dhhalden.no (Network News User)
- Nntp-Posting-Host: pc105
- Organization: Ostfold College
- References: <2349658@overmind.citadel> <1992Nov19.213205.86@uoft02.utoledo.edu>
- Date: Fri, 20 Nov 1992 10:20:32 GMT
-
- In article <1992Nov19.213205.86@uoft02.utoledo.edu> jsteiner@anwsun.phya.utoledo.edu (jason 'Think!' steiner) writes:
- >Subject: Re: More Falcon news...
- >From: jsteiner@anwsun.phya.utoledo.edu (jason 'Think!' steiner)
- >Date: 19 Nov 92 21:32:04 EST
- >undermind!Steve_Johnson@overmind.mind.org writes:
- >> The Falcon030's 68030 has a 24-bit address/16-bit data bus. It
- >> get's a little confusing, though, because the COMBEL (the system
- >> controller) has a 32-bit bus to RAM and to the VIDEL (the video
- >> controller). The machine on the whole, though, isn't a 'TRUE' 32-
- >> bit machine (kinda like the Mac LC II/Performa 400). The PDS
- >> (processor-direct slot) is also 24-bit address/16-bit data. There
- >> is some hope, though, that a third party will be able to 'fix' this
- >> (there will, most definitely, be a 32-bit FAST RAM expansion for
- >> the Falcon030 that will allow more RAM, at least, from what I've
- >> heard).
- >
- >this is -really- strange. i was under the impression that all 68k
- >processors after the '020 were 32 bit all the way 'round. can someone
- >post a 'family tree' of the 68k series & what is what? going to
- >24/16 for a 32 bit processor sounds like something Intel would do,
- >not Motorola.
-
- 68000 and 68010 are 32-bit internal and 16-bit external. The rest are 32-bit
- all the way.
-
- Intel 386SX is 32 internal and 16 bit external. Just like 68000 and 68010.
- Intel 386DX is 32-bit both internal and external.(68020,68030,68040,68060)
-
- >
- >i realize that Motorola doesn't have a lot to do with the bus design,
- >but it seems to me that trying to fit a 32 bit external processor
- >on a 24/16 bus would be a lot more hairy than just making it 32 bits
- >in the first place.
- >
- >jason
-
- It is a lot cheaper with only 16 lines.
-
- >
- >--
- >`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`
- >`,` If you want to smile - smile. Let people think you're nuts. We're `,`
- >`,` all a little nuts. Nuts is fun. Nuts keeps people wondering. Nuts `,`
- >`,` stay crunchy in milk! smm@rodan.UU.NET (Steve Mansfield) `,`
- >`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,`,` jsteiner@anwsun.phya.utoledo.edu ,`,`,`
-