*BSD News Article 35585


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From: jbrown@umi.com (Jim Brown)
Newsgroups: comp.os.386bsd.questions
Subject: Re: Getting FreeBSD or NetBSD to let Adaptec 1542 and IDE's coexist
Date: Thu, 8 Sep 1994 09:05:25
Organization: University Microfilms Inc.
Lines: 64
Message-ID: <jbrown.72.0009175E@umi.com>
References: <34i8b5$3nt@vixen.cso.uiuc.edu>
NNTP-Posting-Host: someone.umi.com
Keywords: SCSI, IDE, FreeBSD, NetBSD
X-Newsreader: Trumpet for Windows [Version 1.0 Rev A]

In article <34i8b5$3nt@vixen.cso.uiuc.edu> c-huegen@ux1.cso.uiuc.edu (Craig A. Huegen) writes:
>From: c-huegen@ux1.cso.uiuc.edu (Craig A. Huegen)
>Subject: Getting FreeBSD or NetBSD to let Adaptec 1542 and IDE's coexist
>Date: 6 Sep 1994 17:19:33 GMT
>Keywords: SCSI, IDE, FreeBSD, NetBSD

>Well, I tried and tried.

So did I... :-)  Fortunately I got it working. See below.

>Both NetBSD and FreeBSD report the following error on boot:

>aha0: Cmd/data port full

Have not seen this.

>And then it doesn't detect the Micropolis 1.7G drive.  This was after I 
>recompiled the kernel, because my Adaptec is at 0x130.  Is it a problem 
>with the base address?  or with my IDE?

>Also...  Does anyone know why FreeBSD and NetBSD fail to recognize the 
>internal IDE controller on a DELL 486DX2/66 "T" (tower) system?  I had to 
>put a different IDE controller in and disable the internal one for it to 
>work.

Sorry, can't answer that.

I have an Austin Tower (486DX/50), AMI BIOS, Caviar 2250 IDE,
Adaptec 1542CF, and Toshiba SCSI disk (1.2GB ?- I don't remember)

The BIOS is configured to boot from the IDE drive as type 47 (user defined).
The IDE drive currently has NetBSD 1.0 BETA  on it.

The 1542CF switches are 1-4 off (open), 5-8 on.  The meaning is as follows:
1(off)=Termination software controlled.
2,3,4(off)=I/O Port x330.
5(on)=disable floppy.  I use the Austin floppy controller.
6,7,8(on)=disable Adaptec BIOS.

Note that this means the Adaptec 1542CF on-board setup program is also 
disabled. If I need to change my SCSI termination, I first have to 
enable the Adapted BIOS (sw 6,7,8), enter 1542CF setup and change 
termination, then change switches again.  

I could not configure the system to boot from the SCSI
drive having the IDE as a secondary drive.

Hope this helps.

>=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
=>Craig A. Huegen             |  University of Illinois at Urbana-Champaign
><c-huegen@uiuc.edu>         |  Computing and Communications Services Office
>----------------------------+--------------------------------------------------
>CCSO Site Consultant        | The views expressed herein are not necessarily
>                            | those of the University of Illinois nor the  
>                            | Computing and Communications Services Office.  
>=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=



== jbrown@umi.com , in real life Jim Brown   |                          ==
== 300 N. Zeeb Rd. Ann Arbor, MI 48106 (USA) |    Sit up straight.      ==
== (313) 761-4700 x3227                      |    You're slouching...   ==
================ All opinions and comment expressly my own. ==============