*BSD News Article 84674


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From: Ollivier.Robert@eurocontrol.fr (Ollivier Robert)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Adaptec 2940UW works *but* ...
Date: 10 Dec 1996 15:46:03 GMT
Organization: Eurocontrol EEC, Bretigny, France
Lines: 40
Message-ID: <58k0jr$6bg@polaris.eurocontrol.fr>
References: <32AC10E0.41C67EA6@jnet.vi>
NNTP-Posting-Host: caerdonn.eurocontrol.fr
X-Newsposter: Pnews 4.0-test48 (3 Dec 96)

    [courtesy cc of this posting sent to cited author via email]

In article <32AC10E0.41C67EA6@jnet.vi>, John Lucas  <jlucas@jnet.vi> wrote:
> 	- When attempting to use default partitioning with FreeBSD using the
> entire disk, everything installed properly (no CRC errors), but I was
> unable to boot (with or without boot manager). The bootblocks don't seem
> to load.(Geometry translation 1MB/cyl).

If you enable "extended translation" in the Adaptec configuration, you have
to tell the installation program that you don't use the standard
translation (size_in_mb x 64 x 32) but the extended one (size_in_mb/16 x
255 x 64, from memory I could be wrong).

If you don't use the extended translation then the default should be good.

ahc0 <Adaptec aic7880 Ultra SCSI host adapter> rev 0 int a irq 10 on pci0:2
ahc0: Using left over BIOS settings
ahc0: aic7880 Single Channel, SCSI Id=7, 16 SCBs
(ahc0:0:0): "SEAGATE ST32550N 8303" type 0 fixed SCSI 2
sd0(ahc0:0:0): Direct-Access 2033MB (4165272 512 byte sectors)
(ahc0:1:0): "HP 2.13GB B 50-0482 0482" type 0 fixed SCSI 2
sd1(ahc0:1:0): Direct-Access 2033MB (4165272 512 byte sectors)

and

# /dev/rsd0c:
type: SCSI
disk: sd0s1
label: 
flags:
bytes/sector: 512
sectors/track: 32
tracks/cylinder: 64
sectors/cylinder: 2048
cylinders: 2032
sectors/unit: 4163552

-- 
Ollivier ROBERT   -=- Eurocontrol EEC/TS -=-   Ollivier.Robert@eurocontrol.fr
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