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Article #20632

Re: looking for >32-bit address space

#20632
From: Mike Rutenberg
Date: Mon, 03 Apr 1989 18:37
24 lines
1551 bytes
>Are there any micros or chipsets out there that support an address space
>larger than 32 bits?

I assume you are asking about physical address space.

Lots of processors, like the 386, 486, HP Prisim, and others support
virtual addresses of several terabytes, usually through the use of
multiple 32bit segments.  Segments seem like an obvious way of doing
large address spaces while keeping the current technology chips fast.

I don't know of any >32bit physical address space microprocessors.  If
you have the money, I would suppose you could convince a manufacturer
like Intel to make a custom version of a chip for you.  Somebody had
Motorola build a 68012 at one point, which was a 32 bit address bus 68010.

Mike

Total aside: Does the Myrias machine exist yet?  How come nobody is
willing to post a description of it?  I've heard some really unusual
stories, but have seen nothing at all solid.
-- 
Mike Rutenberg      Reed College, Portland Oregon     (503)239-4434 (home)
BITNET: mdr@reed.bitnet      UUCP: uunet!tektronix!reed!mdr
Note: The preceding remarks are intended to represent no known organization
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References: <1032@myrias.UUCP>

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From: mdr@reed.UUCP (Mike Rutenberg)
Newsgroups: comp.arch
Subject: Re: looking for >32-bit address space
Message-ID: <12289@reed.UUCP>
Date: 3 Apr 89 18:37:22 GMT
References: <1032@myrias.UUCP>
Reply-To: mdr@reed.UUCP (Mike Rutenberg)
Organization: Reed College, Portland OR
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