Path: utzoo!yunexus!geac!syntron!jtsv16!uunet!husc6!bloom-beacon!tut.cis.ohio-state.edu!rutgers!bellcore!faline!sword!gamma!mibte!iwblsys!smith
From: smith@iwblsys.UUCP (Mickey Smith)
Newsgroups: comp.sys.intel
Subject: Re: Erratum 21
Summary: What DX means
Message-ID: <221@iwblsys.UUCP>
Date: 25 Oct 88 00:56:36 GMT
Article-I.D.: iwblsys.221
References: <9220@conexch.UUCP> <10323@cup.portal.com>
Organization: Intel Corp., W. Bloomfield, MI
Lines: 19

In article <10323@cup.portal.com>, mslater@cup.portal.com (Michael MPR Slater) writes:
> Intel claims to now be shipping the D stepping of the 386, which is supposed
> to fix all known bugs, including errata 21.  You can identify a "D step" chip
> by the marking 80386DX -- the DX means it is a D step chip.
> 
> Michael Slater, Microprocessor Report   mslater@cup.portal.com  415/494-2677

Mike,

The 80386 family has taken on the DX suffix to indicate that the part
has a 32 bit external bus (80386DX), it just so happens that the
part is also a 'D' step part. The 80386SX is the same 80386 core with
and external 16 bit data bus and 24 bit address bus.

-- 
Mickey Smith, Regional Software Specialist |
Intel Corporation                          |
7071 Orchard Lake Road                     |
W. Bloomfield, MI 48332  (313) 851-8096    |