-19 Apr 97  10:07:00-
=Paul Maddox babbled to Jerry Coffin about win95 mailslots=
 JC> This is just plain wrong.  486es have a 32 bit path to memory. 
 JC>  Pentiums (and above) have a 64 bit path to memory.  Both 
 JC> use 32 bit motherboards. 
 PM> Am I wrong in thinking that the i386DX is 32bit (in the ways you
 PM> describe above)?
Proc        Registers         Data Bus       Address Bus
8088          16                  8              20
8086          16                 16              20
80188         16                  8              20
80186         16                 16              20
80288         16                  8              24(?)
80286         16                 16              24
80386*        32                 32              32
80386SX       32                 16              24
80386DX*      32                 32              32
i486**        32                 32              32
Pentium       32                 64              32(?)
*These are the same processor.  Those produced before the introduction
of the SX were called 80386, those produced later were 80386DX.
**Cyrix makes/made a 486-class chip that was designed to upgrade 386SX
machines that has a 16-bit data bus and a 24-bit address bus.
Mike Phillips
INTERNET:  phil4086@utdallas.edu
... I'm not biased, I just don't like certain things...
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