Cyrix 486SLC chip; notebook PCs

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#19777

From: Richard W. Wiggins
Date: Mon, 11 Jan 1993 01:21

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I'm in the market for a notebook PC.  One that looks good to me is
the Compuadd with the Cyrix 486SLC chip.  None of the reviews I've
seen gush over this machine, but the keyboard seems very good to me,
and I like the way they've implemented their trackball.

However, a couple folks have told me that the Cyrix chip is not 
really a 486, but rather a souped-up 386 clone.  Can someone confirm
or deny this?  What does this actually mean -- the chip doesn't really
implement the 486 instruction set?  (If true, this seems awfully close
to false advertising.)  A Compuadd ad claims that this notebook has 
fast floating capacity compared to its 386 competitors -- so does the
Cyrix 486 have onboard math coprocessor, or is that a separate chip?

The other machine that looks appealing to me is the new IBM Thinkpad 700,
which has an IBM 486 chip.  Any insights on that CPU?

Thanks.....
/rich

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From: rww@mugwump.cl.msu.edu (Richard W. Wiggins)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Cyrix 486SLC chip; notebook PCs
Date: 11 Jan 1993 01:21:41 GMT
Organization: Michigan State University
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