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Newsgroups: comp.unix.bsd Path: sserve!manuel.anu.edu.au!munnari.oz.au!sgiblab!swrinde!gatech!news.byu.edu!ux1!fcom.cc.utah.edu!cs.weber.edu!terry From: terry@cs.weber.edu (A Wizard of Earth C) Subject: Re: Running 386BSD on older 386's Message-ID: <1992Dec3.221637.3100@fcom.cc.utah.edu> Sender: news@fcom.cc.utah.edu Organization: Weber State University (Ogden, UT) References: <1992Dec3.162501.17332@sernews.raleigh.ibm.com> Date: Thu, 3 Dec 92 22:16:37 GMT Lines: 35 In article <1992Dec3.162501.17332@sernews.raleigh.ibm.com> murray@bullwinkle.raleigh.ibm.com (Charlie Murray) writes: >Is anyone aware of problems with running 386BSD on older 386 machines? >I have a 25MHz 386DX that I purchased about three years ago. I bought >it mail order and have no idea as to the make. When I insert the >tinyBSD boot disk and reboot, the drive just spins and nothing happens. > >I seem to remember seeing something about older 386 clone motherboards >and problems with running 386BSD. Make sure you have a "double sigma" 386 chip, or you're doomed to not running any UNIX by the 10 bit I/O path (early 386 chips were broken). To find out, look at the top of the chip for the Greek character "sigma" ....it looks like: .-- .-- > > .-- .-- (sort of like two "E"'s) if it isn't broken. This is more of a 386 hardware FAQ than anything else, since it applies equally to all UNIX systems. Terry Lambert terry@icarus.weber.edu terry_lambert@novell.com --- Any opinions in this posting are my own and not those of my present or previous employers. -- ------------------------------------------------------------------------------- "I have an 8 user poetic license" - me Get the 386bsd FAQ from agate.berkeley.edu:/pub/386BSD/386bsd-0.1/unofficial -------------------------------------------------------------------------------