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- Path: sparky!uunet!cs.utexas.edu!swrinde!mips!sdd.hp.com!usc!rpi!batcomputer!lynx.msc.cornell.edu!boris
- From: boris@lynx.msc.cornell.edu.UUCP (Boris Yost,311 Bard Hall,4045,2739205)
- Newsgroups: comp.sys.ibm.pc.hardware
- Subject: Re: What is the difference between DX and SX?
- Message-ID: <1992Aug17.134521.27998@msc.cornell.edu>
- Date: 17 Aug 92 13:45:21 GMT
- References: <1992Aug15.185130.24702@wyvern.twuug.com>
- Sender: news@msc.cornell.edu
- Organization: Cornell-Materials-Science-Center
- Lines: 7
- Originator: boris@snoopy.msc.cornell.edu
-
- >>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
- >
- > The 486 has some additional instructions, and the 486DX has
- > an onboard math co-processor, if that helps.
- The SX processors have only 16bits worth of data lines on the package, so
- they have to do two reads to get a long. But this makes the system cheaper.
-