Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!zaphod.mps.ohio-state.edu!rphroy!caen!uwm.edu!linac!midway!msuinfo!buster.cps.msu.edu!draper From: draper@buster.cps.msu.edu (Patrick J Draper) Newsgroups: comp.sys.ibm.pc.hardware Subject: Re: Using IDE and MFM Drives together Message-ID: <1991Jun3.200840.23282@msuinfo.cl.msu.edu> Date: 3 Jun 91 20:08:40 GMT References: <3200@ria.ccs.uwo.ca> <1991Jun2.045900.15627@msuinfo.cl.msu.edu> <3224@ria.ccs.uwo.ca> Sender: news@msuinfo.cl.msu.edu Reply-To: draper@buster.cps.msu.edu (Patrick J Draper) Organization: Dept. of Computer Science, Michigan State University Lines: 33 Originator: draper@buster.cps.msu.edu In article <3224@ria.ccs.uwo.ca> wlsmith@valve.heart.rri.uwo.ca (Wayne L. Smith) writes: >In article <1991Jun2.045900.15627@msuinfo.cl.msu.edu> draper@buster.cps.msu.edu (Patrick J Draper) writes: >>Set >>the BIOS type on the primary MFM drive to what it's supposed to be, and >>the second hard disk bios setting to NOT INSTALLED. > >I thought that IDE controllers needed the bios info. If you set the 2'nd >drive bios info to -NOT INSTALLED-, how does the IDE controller/drive >know what's going on? How does the computer know what's going on? The IDE drive controller has its own BIOS on board. It doesn't need to know anything about the PC's BIOS. >>It also requires that there is ONE partition on the MFM drive, as the >>IDE will take the letters D:, E:, etc. > >When I had an RLL / SCSI combo going, I found that the partitions were >interleaved, ie the SCSI responded with C, E, G... and the RLL had the >D, F, etc. Just what determined that (bios or DOS or something else)? > > I don't know why they were interleaved. I've never played with an RLL SCSI combo. ------------------------------------------------------------------------ Patrick Draper disclaimer --- "I can't control my fingers, cps.msu.edu I can't control my toes." draper@cps.msu.edu --Ramones ------------------------------------------------------------------------