Date: Mon, 4 Mar 2002 11:35:23 +0100 (CET) From: Danilo Godec <danci@agenda.si> To: "Justin T. Gibbs" <gibbs@scsiguy.com> Cc: <aic7xxx@freebsd.org> Subject: Re: Termination and hot-swap backplanes Message-ID: <Pine.LNX.4.30.0203041058500.31707-100000@duplo.agenda.si> In-Reply-To: <200203012056.g21KuQI78124@aslan.scsiguy.com>
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On Fri, 1 Mar 2002, Justin T. Gibbs wrote: > What version of the aic7xxx driver are you using? If it is less than > 6.X.X, there is an issue that may cause the driver to get the termination > polarity wrong. You can override the termination polarity using the > stpwlev module option. From the aic7xxx_old driver source: I used to have the 2.2.20 stock driver. I tried the things suggested by the driver and I also tried the new 6.4.2 driver. No change, really. The next thing I thought I'd try was lowering the drive bus connection speed from 160 MB/s to 80 MB/s. Guess what, that made a change. Things work now, but I'm affraid that's not exactly the preffered solution. Could a bad backplane firmware cause such behaviour or can I assume there is a HW problem (hopefully the cable)? According to Intel, I cannot update the backplane firmware without getting a different motherboard... Thanks, D. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe aic7xxx" in the body of the message
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