Date: Mon, 27 Dec 1999 12:01:07 +0800 From: Peter Wemm <peter@netplex.com.au> To: Brian Fundakowski Feldman <green@FreeBSD.org> Cc: KATO Takenori <kato@ganko.eps.nagoya-u.ac.jp>, FreeBSD-hackers@FreeBSD.org Subject: Re: device name of floppy disk Message-ID: <19991227040107.4D7F41CA0@overcee.netplex.com.au> In-Reply-To: Message from Brian Fundakowski Feldman <green@FreeBSD.org> of "Sun, 26 Dec 1999 21:31:12 EST." <Pine.BSF.4.10.9912262130350.61560-100000@green.dyndns.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Brian Fundakowski Feldman wrote:
> On Sun, 26 Dec 1999, Peter Wemm wrote:
>
> > > # ln -f ${name}${unit}.1200 ${name}${unit}135ds15
> > > # ln -f r${name}${unit}.1200 r${name}${unit}135ds15
> > >
> > > 1. What is meanings of the name? I cannot understand meanings of
> > > `96', `96ds15' and `135ds15'.
> >
> > Those are the SCO Unix/Xenix compatable names. SCO (and SYSV/386) uses tho
se
> > instead of "fdN.1440" etc.
> >
> > 48 = 48 tracks per inch = 5.25" disk,
> > 96 = 96 tracks per inch = 5.25" disk,
> > 135 = 135 tracks per inch = 3.5" disk
>
> Eh? I thought .1200 referred to 5.25" disk drives...
.1200 = 1.2MB. .1440 = 1.44MB etc. You can format things differently so
that you end up with different densities. Our default node names use the
final capacity rather than the geometry that leads to that particular
capacity.
Cheers,
-Peter
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19991227040107.4D7F41CA0>