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Re: Adaptec SCSI 2940AU

daemon@ATHENA.MIT.EDU (Daniel M. Eischen)
Thu May 7 07:20:26 1998

Date: 	Thu, 7 May 1998 06:29:13 -0500 (CDT)
From: "Daniel M. Eischen" <deischen@iworks.InterWorks.org>
To: S.Lim@Psych.unimelb.edu.au, linux-scsi@vger.rutgers.edu


> I am trying to install SCSI 2940 on my debian linux (currently running
> 2.0.29).
> I got this error message when I boot the machine up :

[ ... ]

> May  8 05:02:36 pc172-104 kernel: aic7xxx: Unsupported type 0xff, please

[ ... ]

> Does it have anything to do with PnP or wrong BIOS? I inherited this card
> and I do not have any documentation. I checked adaptec's page for more
> information but I could not find any info about disabling PnP. I am not too
> sure if I should change the bios setting either. I have also checked the
> SCSI-HOWTO but I could not find any info about this error message. I am
> desperate.

No, it probably means that you have an unknown PCI device (probably
a bridge chip) and that the Linux PCI routines (which the driver
uses to access the controllers IO space) can't properly access 
the IO space.  I think there is a linux-pci mailing list, so
perhaps your best bet would be to try there.  Please look at
your boot-up messages and look for an unknown PCI device and
make sure you supply this when you ask the PCI gurus.

Dan Eischen
deischen@iworks.InterWorks.org

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