RE: Frustrating problem with Mac version of Adaptec 2940UW


Subject: RE: Frustrating problem with Mac version of Adaptec 2940UW
From: Daniel Linsley (linsleyd@educserver.educ.csus.edu)
Date: Thu Oct 07 1999 - 19:16:19 MDT


Found my problem:

The 9500 Power Mac has 2 PCI Buses, that way it has 6 PCI slots.

Well the 2940 had to be in one of the three upper slots. It works for me in
slot 3.

Before, I was trying to get it working in either slot 4 or 6, which are both
on the second PCI bus.
That bus doesn't seem to be reconized in linux.

Dan.

-----Original Message-----
From: messano@dicomed.com [mailto:messano@dicomed.com]
Sent: Thursday, October 07, 1999 1:02 PM
To: yellowdog-general@lists.yellowdoglinux.com
Subject: Re: Frustrating problem with Mac version of Adaptec 2940UW

>I've been recompiling my kernel between 2->3 times a day this past week on
>my PM 9500/132 trying to get the kernel to reconize the mac verison of the
>2940 that I have. The 2940 works fine in macos, it shows up in the power
>domain utility and I've already Flashed the card to ver. 4.1 of the
>firmware.
>
>I've tried kernels 2.2.6 -> 2.2.12 all with AHA-78xx support and it still
>doesn't get detected.
>
>The kernels all work fine, except for not detecting the 2940.
>
>I've searched for every instance of such a case to find a solution for my
>case, but haven't been able to find one that works.
>
>Could it be the card? Or could it be the firmware of the 9500?
>
>Thanks!
>
>Dan Linsley
><linsleyd@educserver.educ.csus.edu>

        I have the exact card you are speaking of, and I haven't had
a problem yet, so I can tell you it will work. I checked for the
support, and it's taken care of by the AIC-7xxx section in SCSI
low-level drivers. You may want to try unselecting Tagged Command
Queuing, which is the very next option. I remember at one point it
was a little unstable, and some supported cards don't like it. I may
be wrong, but it's a good place to start.
        I have a rev. 1 B&W G3 in case you were wondering.

Michael

Windows is not the answer. Windows is the question.
: The answer is No.



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