Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!evax!utacfd!merch!cpe!adaptex!neese
From: neese@adaptex.UUCP
Newsgroups: comp.unix.sysv386
Subject: Re: <25@opel.COM>
Message-ID: <77900005@adaptex>
Date: 10 Sep 90 16:18:00 GMT
References: <25@opel.COM>
Lines: 30
Nf-ID: #R:opel.COM:25:adaptex:77900005:000:1368
Nf-From: adaptex.UUCP!neese    Sep 10 10:18:00 1990


>->Is it possible to allow 2 different types of hard disks in a pc UNIX
>->environment (using 2 different controllers)?
>-
>-When I installed Interactive Unix 2.2 I attempted to use an ST-506 primary
>-controller and an Adaptec 1542B SCSI controller as secondary.  After
>-a *day* of re-building kernels and plugging and un-plugging controllers,
>-with nary a kernel that would boot, I gave up.  Fortunately, the SCSI
>-controller has floppy ports, so I decided to toss the ST-506, two MFM
>-drives, and use only the SCSI.
>-
>-The Interactive documentation states that two different contollers is
>-definitely allowed, but clearly I didn't have the magic to make it
>-work!
>
>I agree.  The documentation and menus indicate you can set up a primary ST-506
>and a secondary SCSI, but what I tried was the opposite:  having an old ST-506
>controller and drive available as secondary.  My attempts, too, failed.
>
>Anyone had any luck with this?  Followups to comp.unix.i386.

I don't know how to get this configuration working but, you absolutely cannot
have the AHA-154x board as a primary when used in a system that has any other
type of hard drive.  The AHA-154x will always configure itself in as a
secondary adapter in this scenario.

			Roy Neese
			Adaptec Senior SCSI Applications Engineer
			UUCP @  uunet!swbatl!
				  {nominil,merch,cpe,mlite}!adaptex!neese