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Newsgroups: comp.os.386bsd.questions Path: sserve!newshost.anu.edu.au!munnari.oz.au!comp.vuw.ac.nz!canterbury.ac.nz!news!hugin!meagre From: meagre@hugin (Andrew McPherson) Subject: Re: SOLUTION TO 'NetBSD co-exist with DOS?' Message-ID: <C71w1s.M5y@news.otago.ac.nz> Sender: usenet@news.otago.ac.nz (News stuff) Nntp-Posting-Host: hugin.otago.ac.nz Organization: University of Otago X-Newsreader: TIN [version 1.1 PL8] References: <1skkbcINNnft@escargot.xx.rmit.OZ.AU> Date: Sat, 15 May 1993 04:20:15 GMT Lines: 69 Luke Mewburn (s902113@minyos.xx.rmit.OZ.AU) wrote: > calabres@noc.arc.nasa.gov (Angelo D. Calabrese) writes: > > In article <match.19.736464917@civil.utah.edu>, match@civil.utah.edu (Marvin Match) writes: > >> The problem: > >> Made a 110-Meg dos partition, leaving 300-Meg for NetBSD. > >> Loaded DOS fine. Loaded NetBSD fine. NetBSD boots fine. Can't find DOS!! > >> > >> The question: > >> Whence Dos? > >> When I boot DOS from a floppy, fdisk finds only one non-DOS partition > >> of 24-Megs on this 410-Meg drive. OS-BS only finds one 24-meg non-DOS > >> partition. fdisk /mbr is no help. pfdisk is no help. > >> > >> I've gone through this again and again. I've tried creating the partitions > >> manually with pfdisk. I've tried installing 386-bsd and then overwriting it. > >> I've tried low-level formatting the entire disk. > >> > >> I'm convinced that you simply "can't get there from here". > >> > >> Somebody want to prove me wrong? > >> > >> Marvin Match > >> match@sky.civil.utah.edu > > > > I am having the same problem. I have a 486DX-33, AMI bios, aha1742, LXT535S, > > SVGA with 16Megs of Mem. > > > > Thanks, > > Angelo > OK, use fdisk (or pfdisk if you're adventurous) and partition up the > disk how you want, with the 1 large 'non-dos' partition (in my case my > 125MB drive had a 32MB dos and 93MB non-dos partition). Then, grab > pfdisk and recreate the non-dos partition with the same start and end > cylinders but with a type of 165 (the version of pfdisk I got doesn't > know about 386bsd partitions, but I intend to compile up a version > that does). > So, the method I went about getting DOS to co-exist was this: > - low-level format the drive (why not? :) > - boot of a floppy with fdisk > - fdisk it with a 32MB dos partition and the rest (93) as 'extended'. > - ran pfdisk 0, and the partition that I wanted for netbsd was something > like the following (when I did 'L' for list): > num id start size type > 2 99 65535 200000 unknown > (This is an approximation) Then I'd type in: > 2 165 65535 200000 > to set the type to 165. > Do 'W' to write changes. (Note that if you wanna do D:, do pfdisk 1 > to run it). > - formatted c: and put dos & telix back in (incase I needed to log in) > - installed netbsd.. > Hopefully that helps someone... I'll whip up some more accurate notes > (with 'real-world' data :) > Luke. > -- > Luke Mewburn [Zak], <zak@rmit.edu.au> > "Lawyers - the only group for which ignorance of the law is not a crime" - anon