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Date:      Wed, 26 Jul 2000 18:13:05 +0200
From:      Andre Albsmeier <andre.albsmeier@mchp.siemens.de>
To:        "Justin T. Gibbs" <gibbs@plutotech.com>
Cc:        Mike Meyer <mwm@mired.org>, scsi@FreeBSD.ORG
Subject:   Re: (noperiph:ahc0:0:-1:-1) & forwarded message ...
Message-ID:  <20000726181305.A99461@curry.mchp.siemens.de>
In-Reply-To: <200007251938.NAA48431@pluto.plutotech.com>; from gibbs@plutotech.com on Tue, Jul 25, 2000 at 01:39:25PM -0600
References:  <14717.58026.117126.568975@guru.mired.org> <200007251938.NAA48431@pluto.plutotech.com>

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On Tue, 25-Jul-2000 at 13:39:25 -0600, Justin T. Gibbs wrote:
> >Sure. This was done using the new ahc drivers.  Given that most of the
> >ahc boot message is about termination, here's all of it:
> >
> >ahc0: <Adaptec aic7890/91 Ultra2 SCSI adapter> port 0xe800-0xe8ff mem 0xffaff0
> >00-0xffafffff irq 11 at device 14.0 on pci0
> >ahc0: Reading SEEPROM...done.
> >ahc0: Manual LVD Termination
> >ahc0: BIOS eeprom is present
> >ahc0: Secondary High byte termination Enabled
> >ahc0: Secondary Low byte termination Enabled
> >ahc0: Primary Low Byte termination Enabled
> >ahc0: Primary High Byte termination Enabled
> >ahc0: aic7890/91 Wide Channel A, SCSI Id=7, 32/255 SCBs
> >ahc0: Downloading Sequencer Program... 430 instructions downloaded
> 
> It seems that your manual LVD Termination is not correct given
> the picture you drew in your earlier message.  Don't you have
> an external device on this thing?
> 
> Also, your picture seemed to show that all devices live on the
> same (LVD?) segment.  It that true?
> 
> When the system hangs, if you are at the console, can you drop
> into the debugger.  You must have options DDB in your kernel
> to try this.

Hi Justin,

I didn't follow this thread completely but might we have a problem
here that is similar to the one we were talking about a while ago?
It was the thing with the 2940U2W not working with a manually
terminated LVD bus (automatically worked).

	-Andre


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