*BSD News Article 78666


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From: lmiller@cibnor.cibnor.conacyt.mx (Larry Miller [DT])
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: ESDI sectors/cyl vs disk label :(
Date: 19 Sep 1996 16:29:40 GMT
Organization: Centro de Investigaciones Biologicas
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Message-ID: <51rsdk$61j@cibnor2.cibnor.conacyt.mx>
NNTP-Posting-Host: cet-1.cibnor.conacyt.mx
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Hi, folks--

After a couple of days trying to install FreeBSD on a machine that I 
thought would be a piece of cake, I'm about to tear my hair out.  Help!

386-20 w/coprocessor, Herc monochrome, 16m RAM, 340m (Micropolis?) ESDI
drive, Ultrastor (12?) ESDI controller, 3C509 combo NIC. 

The drive is ESDI, 1780 cyl, 7 heads, 54 sec/track, 512b/s.  The
controller has options for sector mapping to 17,32, or 63 sectors and/or
1024 cyl truncation.  Installing from boot floppies over NFS. I've tried
installation without any drive mapping, with 63 sector mapping,
with/without cylinder truncation.  During startup probes, the controller
is recognized as WD0 and the correct physical disk geometry is displayed. 
Inevitably, I get partway into the installation and get the warning
message that the calculated sectors/cylinder (some number) disagree with
disk label (some lesser number), that the drive is 32 megabytes (hmm?),
and after a while the installation crashes.  Obviously it's difficult to
evaluate this without systematic data, but what would help a lot would be
if someone could tell me WHERE the installation routines get the numbers
that are disagreeing, and how we can convince them to agree? 

Would very much appreciate ANY insight-- this has me totally baffled.

Thanks-- Larry

Larry Miller
Administrador de Redes / Network Administrator
Centro de Investigaciones Biologicas del Noroeste, La Paz, BCS Mexico