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- Xref: sparky comp.sys.ibm.pc.hardware:21928 sci.electronics:14416
- Path: sparky!uunet!munnari.oz.au!mips!mips!sdd.hp.com!uakari.primate.wisc.edu!daffodil!wyvern!asoper
- From: asoper@wyvern.twuug.com (Aubrey Soper)
- Newsgroups: comp.sys.ibm.pc.hardware,sci.electronics
- Subject: Re: What is the difference between DX and SX?
- Message-ID: <1992Aug15.185130.24702@wyvern.twuug.com>
- Date: 15 Aug 92 18:51:30 GMT
- References: <sehari.713896990@vincent1.iastate.edu>
- Organization: Tidewater UNIX Users Group
- Lines: 18
-
- sehari@iastate.edu (Babak Sehari) writes:
-
- >---
- >What is the difference between a DX and a SX specification for 386 and
- >486?! Usually, SX means 16 bit bus structure and DX means 32 bits bus
- >structure. However, any 386 or 486 can address the memory in either
- >8,16, or 32 bits bus structure.
-
- >By the way, is there any difference between a 386 and 486 except that
- >486 has some catch memory inside chip?
-
- > With highest regards,
- > Babak Sehari.
-
- The 486 has some additional instructions, and the 486DX has
- an onboard math co-processor, if that helps.
-
- Aubrey Soper
-