Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!zaphod.mps.ohio-state.edu!sdd.hp.com!elroy.jpl.nasa.gov!peregrine!ccicpg!cci632!rit!jdu4855 From: jdu4855@cs.rit.edu (Unrue Jack D) Newsgroups: comp.sys.ibm.pc Subject: Re: '386's SX's and DX's Summary: 16 bits?? Message-ID: <1773@cs.rit.edu> Date: 21 Jul 90 20:14:06 GMT References: <31122@eerie.acsu.Buffalo.EDU> Sender: news@cs.rit.edu Followup-To: comp.sys.ibm.pc Distribution: usa Organization: Rochester Institute of Technology, Rochester, NY Lines: 12 In article <31122@eerie.acsu.Buffalo.EDU> v081nhdb@ubvmsd.cc.buffalo.edu writes: >[...] The SX's are >actually 16 bit microprocessors, or so a friend of mine in the Computer >business tells me. If you are going to spend the money on a '386 (either a >new motherboard, or a whole new system), you might as well get a good one >that has a 32 bit Microprocessor. > Your friend in the computer business probably intended to say that 386SX's communicate to the outside world in 16 bits, but function internally as a full 32 bit processor. The 32 bit machine instructions you use on a DX will also be fine on an SX.