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Date:      Fri, 15 Sep 2000 22:05:37 -0400
From:      Sergey Babkin <babkin@bellatlantic.net>
To:        =?iso-8859-1?Q?G=E9rard?= Roudier <groudier@club-internet.fr>
Cc:        Jaye Mathisen <mrcpu@internetcds.com>, hackers@FreeBSD.ORG
Subject:   Re: SYM driver for Compaq 5500 Xeon?
Message-ID:  <39C2D571.EF9548BA@bellatlantic.net>
References:  <Pine.LNX.4.10.10009152337130.1895-100000@linux.local>

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Gérard Roudier wrote:
> 
> On Fri, 15 Sep 2000, Jaye Mathisen wrote:
> 
> > I don't know much about hot-plug stuff, it looks relatively normal to me,
> > and it's an older rev.  That's about it.
> 
> If you mean that the disks are hot-pluggable, then it could be the SCSI
> device that allows to control the hot-plug bay that makes problem during
> the scan of the SCSI BUS. If there is some way to desactivate this 'for
> now hypothetical device' or to update its firmware, you should try either.

FWIW, on older Compaqs this deactivation was achieved by disconnecting
the small power cable going from the power supply to this piece of
intelligence at the back of the drive bays.

It could be quite possible that Compaq did something bad with the circuitry
around the Symbios chip, they like to change everything and then write 
their own drivers.

-SB


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