Adaptec 2940 UW Pro on Linux

[Reiner Suikat]

Hello,

Steffen, thanks a lot for your hints! I just tried it with termination for
the narrow bus enabled, and voila, it works. (I did not try patching back to
5.1.19). Funny thing is that with the original 2.2.12 kernel from RedHat 6.1
it did not work regardless of the termination setting. Really odd, but at
least it is working now!


Reiner

> -----Original Message-----
> From: owner-aic7xxx at FreeBSD.ORG [mailto:owner-aic7xxx at FreeBSD.ORG]On
> Behalf Of Steffen Moser
> Sent: Donnerstag, 6. Januar 2000 11:01
> To: aic7xxx at FreeBSD.ORG
> Cc: Hilger Hoffmann
> Subject: Re: Adaptec 2940 UW Pro on Linux
>
>
> Hello,
>
> Reiner Suikat wrote:
>
> > I'm wondering if anyone on this list might be able to help me.
> I'm trying to
> > get an Adaptec 2940 UW Pro, Bios V2.11, to run on a RedHat 6.1
> Linux system.
>
> Yesterday, I did some further tests with aic7xxx-5.1.21, linux-2.2.14 an
> with 5.1.22 (Doug Ledford´s latest patch applied to linux-2.2.14).
>
> After starting the Adaptec-SCSISelecet utility, I configured the
> termination of "Narrow Connector" as "enabled" (which is set up as
> "auto" per default). After then my Adaptec 2940UW Pro is working fine,
> even with "aic7xxx-5.1.20" (linux-2.2.13), "aic7xxx-5.1.21"
> (linux-2.2.14) and "aic7xxx-5.1.22" (linux-2.2.14 + the latest patch)!
>
> So I think it is quite easy to solve the problem: You only should set
> your "Narrow Connector" termination as "enabled" if there aren´t not any
> external SCSI devices connected. The setting "Auto" seems to be
> problematic when using a driver that is newer than "aic7xxx-5.1.19".
>
> The termination of "wide connector" is still configured as "auto"
> without causing any problems.
>
> > Linux identifies the adapter as an 2944 Ultra (it DEFINITELY is
> an 2940 UW
> > Pro)
>
> Yes, this behaviour is still present - but I think it is rather
> harmless...
>
> Bye,
> Steffen
>
>
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