*BSD News Article 81278


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From: "Leonard N. Zubkoff" <lnz@dandelion.com>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: INSTALLATION PROBLEM, SCSI
Date: 22 Oct 1996 00:52:37 -0700
Organization: Dandelion Digital
Lines: 41
Sender: lnz@dandelion.com
Message-ID: <54hug5$37f@kelewan.dandelion.com>
References: <Pine.SUN.3.95.961022000216.22953A-100000@bert.eecs.uic.edu>
NNTP-Posting-Host: dandelion.com
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In-reply-to: Oswaldo Nevarez's message of Tue, 22 Oct 1996 00:10:12 -0500

In article <Pine.SUN.3.95.961022000216.22953A-100000@bert.eecs.uic.edu> Oswaldo Nevarez <onevarez@bert.eecs.uic.edu> writes:

  I have a BUSLOGIC 948 SCSI to PCI adapter.
  When I install , try to install FreeBSD 2.1.5, it tells me I have no hard
  drives.  I have tried using the -c option at the boot: prompt but was
  unable to get it recognize my hardrive.
  According to the BusLogic, set up it's on port FCECH, and IRQ 11.
  I tried port 0x330 with IRQ 11 but this did not work.

  Any suggestions would be appreciated. 

I wrote this up for Linux but I believe it describes the problem and a
solution.

		Leonard


		      BT-948/958/958D INSTALLATION NOTES

The BT-948/958/958D PCI Ultra SCSI Host Adapters have some features which may
require attention in some circumstances when installing Linux.

o PCI I/O Port Assignments

  When configured to factory default settings, the BT-948/958/958D will only
  recognize the PCI I/O port assignments made by the motherboard's PCI BIOS.
  The BT-948/958/958D will not respond to any of the ISA compatible I/O ports
  that previous BusLogic SCSI Host Adapters respond to.  This driver supports
  the PCI I/O port assignments, so this is the preferred configuration.
  However, if the obsolete BusLogic driver must be used for any reason, such as
  a Linux distribution that does not yet use this driver in its boot kernel,
  BusLogic has provided an AutoSCSI configuration option to enable a legacy ISA
  compatible I/O port.

  To enable this backward compatibility option, invoke the AutoSCSI utility via
  Ctrl-B at system startup and select "Adapter Configuration", "View/Modify
  Configuration", and then change the "ISA Compatible Port" setting from
  "Disable" to "Primary" or "Alternate".  Once this driver has been installed,
  the "ISA Compatible Port" option should be set back to "Disable" to avoid
  possible future I/O port conflicts.  The older BT-946C/956C/956CD also have
  this configuration option, but the factory default setting is "Primary".