Article View: comp.arch
Article #22276Re: Next computer (Re: CISC Silent Spring)
From: Allen J. Baum
Date: Thu, 08 Feb 1990 20:59
Date: Thu, 08 Feb 1990 20:59
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>In article <486@taniwha.UUCP> paul@taniwha.UUCP (Paul Campbell) writes:
>
>Look closely at the architecture (try the Byte article), the NeXT board
>multiplexes data/addresses from the '030 to make it look like the '040
>(or NuBus) - this means that their silicon is probably already set up
>for the '040, my bet is that Steve is just waiting for the parts in
>quantities/prices that he can afford to ship them. BTW I think he lucked
>out on the '040 bus interface, my guess is that the reason that it looks
>so much like NuBus is because Apple buys the most 68ks.
Um, I hate to break it to you, but the '040 has separate 32 bit address and
data busses. They are not mulitplexed. They do not resemble the multiplexed
address/data of Nubus.
--
baum@apple.com (408)974-3385
{decwrl,hplabs}!amdahl!apple!baum
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!cs.utexas.edu!samsung!zaphod.mps.ohio-state.edu!mips!apple!baum From: baum@Apple.COM (Allen J. Baum) Newsgroups: comp.arch Subject: Re: Next computer (Re: CISC Silent Spring) Message-ID: <38464@apple.Apple.COM> Date: 8 Feb 90 20:59:08 GMT References: <8859@portia.Stanford.EDU> <20056@netnews.upenn.edu> <486@taniwha.UUCP> Reply-To: baum@apple.UUCP (Allen Baum) Organization: Apple Computer, Inc. Lines: 17