<25 at opel.COM>

[neese at adaptex.UUCP]

>->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