On Fri, May 21, 2010 at 3:12 AM, Alain Mouette <ala...@pobox.com> wrote: > > Em 20-05-2010 15:44, Liam Proven escreveu: >> >> You have been lucky. I have seen many incorrectly-partitioned systems >> with multiple primaries where some drives were not visible, on various >> versions of MS-DOS and up to Windows 95. > > Not Lucky, just hard work. Partitions were invented without entented > partitions, so it worked from the first... > >> It's not a good idea; unpredictable things can happen, such as writing >> to the wrong "C" drive and causing corruption. > > I didn't say that it is easy ;) > >>> The rules of letter attibuting are very strange: >>> 1) the first (sometives the active) partition of each drive >>> 2) all extended partitions from each drive at a time. There were issues >>> as to sequences in recurrent extended partitions. >>> 3) all remaining primary partitions of each drive. >> >> Wrong way round. >> >> It is: >> - enumerate all primaries, drive by physical drive > > Not at all. > >> - then enumerate all logical drives on each physical drive, stepping >> through the drives as each is exhausted > > Ok > >> It is logical but confusing. Win7 no longer does this at all - the >> boot drive is always C; > > That is a definition: boot is allways C: > >> if there was an existing DOS-level C, it seems to disappear. > > There are lots of bugs in this area. > > FYI: I started using PC-DOS 1.1... so I have a long history of dos and > don'ts...
DOS 3.1 here, 23 years ago, so a little newer. But some of what you are saying directly contradicts my own experience. I don't see any profit in arguing over it, though. -- Liam Proven • Profile: http://www.linkedin.com/in/liamproven Email: lpro...@cix.co.uk • GMail/GoogleTalk/Orkut: lpro...@gmail.com Tel: +44 20-8685-0498 • Cell: +44 7939-087884 • Fax: + 44 870-9151419 AOL/AIM/iChat/Yahoo/Skype: liamproven • LiveJournal/Twitter: lproven MSN: lpro...@hotmail.com • ICQ: 73187508 ------------------------------------------------------------------------------ _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
