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Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!yeshua.marcam.com!usc!math.ohio-state.edu!jussieu.fr!univ-lyon1.fr!ensta!itesec!frmug.fr.net!renux.frmug.fr.net!keltia.frmug.fr.net!not-for-mail From: roberto@keltia.frmug.fr.net (Ollivier Robert) Newsgroups: comp.os.386bsd.development Subject: Re: Coexisting on the PC Date: 26 Mar 1994 11:37:06 +0100 Organization: A Happy FreeBSD-current Usenet Site Lines: 50 Message-ID: <2n1390$bl@keltia.frmug.fr.net> References: <2lpf0mINNnh@godzilla.zeta.org.au> <Mar.20.13.43.01.1994.22215@farside.rutgers.edu> <2ml556$1jk@keltia.frmug.fr.net> <1994Mar23.112524.2691@resonex.com> NNTP-Posting-Host: keltia.frmug.fr.net Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit In article <1994Mar23.112524.2691@resonex.com>, Michael Bryan <michael@resonex.com> wrote: >Then there's the whole issue of geometry translation. Wouldn't it make >sense for NetBSD to use the same translation scheme as DOS/Linux, if >desired? Such as 1MB cylinders on a SCSI disk attached via an Adaptec >card (NNN x 64 x 32). That issue is resolved in FreeBSD at least, dunno for NetBSD but I suspect it to behave the same... My 640 MB is reported at boot time as bt0 targ 0 lun 0: type 0(direct) fixed SCSI2 bt0 targ 0 lun 0: <MICROP 1624-07MZ1077801HZ2P> sd0: 642MB (1316751 total sec), 2112 cyl, 7 head, 89 sec, bytes/sec 512 but my disklabel is using translated parameters : # /dev/rsd0d: type: SCSI disk: mp1624 label: flags: bytes/sector: 512 sectors/track: 32 tracks/cylinder: 64 sectors/cylinder: 2048 cylinders: 641 rpm: 3600 interleave: 1 trackskew: 0 cylinderskew: 0 headswitch: 0 # milliseconds track-to-track seek: 0 # milliseconds drivedata: 0 8 partitions: # size offset fstype [fsize bsize cpg] a: 20480 309248 4.2BSD 1024 8192 16 # (Cyl. 151 - 160) b: 65536 329728 swap # (Cyl. 161 - 192) c: 1003520 309248 unused 0 0 # (Cyl. 151 - 640) d: 1312768 0 unused 0 0 # (Cyl. 0 - 640) e: 24576 395264 4.2BSD 1024 8192 16 # (Cyl. 193 - 204) f: 122880 419840 4.2BSD 1024 8192 16 # (Cyl. 205 - 264) g: 770048 542720 4.2BSD 1024 8192 16 # (Cyl. 265 - 640) h: 307168 32 MSDOS # (Cyl. 0*- 149*) -- Ollivier ROBERT Ollivier.Robert@keltia.frmug.fr.net A FreeBSD & PERL addict... PGP 2.3a public key on key-servers Running FreeBSD-current and very happy to do so !