*BSD News Article 79710


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From: Tushar Patel <tpatel@austin.ibm.com>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Support for toshiba CD rom?
Date: Tue, 01 Oct 1996 15:49:02 +0000
Organization: IBM Austin
Lines: 54
Message-ID: <32513D6E.167E@austin.ibm.com>
References: <843775992.12909.0@tirnanog.demon.co.uk> <52p17a$13k@anorak.coverform.lan> <52p9p4$6q8@cnn.exu.ericsson.se>
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Ben Madison wrote:
> 
> Brian Somers (brian@awfulhak.demon.co.uk) wrote:
> > Ian J Greely (IanG@tirnanog.demon.co.uk) wrote:
> > >
> > > I couldn't get the CD Rom recognised by the install prog so I
> > > installed from a Dos partition expecting to enable the atapi support
> > > once I was up and running.
> > >
> > > Now I've compiled a Kernel with the support enabled but it doesn't
> > > seem to be picking up my CD ROm... a Toshiba 8X IDE.
> >
> > Have you got your CDROM as a slave on your secondary controller ?
> 
> I ran into some interesting stuff while switching from IDE to SCSI, this
> weekend.  I couldn't find a SCSI CD-ROM drive to use, so I installed from
> an IDE CD-ROM.

I have panasonic 2x SCSI-2 drive and at install it got recignized but
could not read from the drive. Kept complaining it about the controller
(SC-200) being dead. I finally gave up and tried exactly what you tried
below.

> 
> My initial configuration had an IDE drive as master, and an IDE CD-ROM
> drive as slave, hanging off of the primary IDE controller (wdc0).  I
> added the SCSI controller and drive without a hitch, did the install
> (ran into a weird problem with sysinstall filling up my process table
> with a bunch of zombie tar processes while installing packages), then
> removed the IDE drive, reset the system BIOS to indicate no drive, and
> set the CD-ROM drive as master on wdc0.
> 
> On reboot, the new system found wdc0 just fine, but no CD-ROM drive.
> After double-checking the setup, I put everything back the way it had
> been and tried again.  Everything came up fine.  After playing with
> several configurations and reading through the handbook, I found that
> I could hang the CD-ROM drive, as master, from the secondary IDE
> controller (wdc1).  Everything works fine, now.


I am having exactly the same problem. At the boot system finds the 
wdc0 just fine but no CD-ROM, I have NEC 4x IDE CDROM. I have not tried
putting as secondary master, I will try today. 


> 
> Any idea why the CD-ROM drive has to be on the secondary IDE bus when
> there's no IDE hard drive present?
> 
> --
> Ben Madison                                      Ericsson Inc.
> exujbm@exu.ericsson.se                    Richardson, TX  USA
> 
> Trade my DigiBoard PC/4 for your >= 4x SCSI CD-ROM...?  Email!