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From: aglew@ccvaxa.UUCP
Newsgroups: comp.arch
Subject: Re: 64 Vs 32
Message-ID: <28200016@ccvaxa>
Date: Sat, 14-Mar-87 17:21:00 EST
Article-I.D.: ccvaxa.28200016
Posted: Sat Mar 14 17:21:00 1987
Date-Received: Sun, 15-Mar-87 23:40:18 EST
References: <3810013@nucsrl.UUCP>
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Nf-From: ccvaxa.UUCP!aglew    Mar 14 16:21:00 1987


...> 64 bit machines

One respondent seemed to be under the impression that a "64 bit machine"
implied that the minimum addressible unit was 64 bits. That's another
tradeoff entirely. What I mean, and what I think is being talked about,
is machines that have address sizes (and integers, etc.) of 64 bits.

>32 bit machines are already here: the IBM RT ROMP has a 40 bit
virtual address and I've seen articles saying that the 80386 has a 16T
address space (Milutinovc in last month's computer).  What are the
exact specs on the 80386?