Date: Fri, 25 Sep 1998 13:31:15 -0400 (EDT) From: Ted Buswell <tbuswell@mediaone.net> To: "Justin T. Gibbs" <gibbs@plutotech.com> Cc: "Daniel O'Connor" <doconnor@gsoft.com.au>, scsi@FreeBSD.ORG Subject: Re: opinions on possible bad disk? Message-ID: <13835.54027.545411.245713@tbuswell.ne.mediaone.net> In-Reply-To: <199809250628.AAA14626@pluto.plutotech.com> References: <XFMail.980925144220.doconnor@gsoft.com.au> <199809250628.AAA14626@pluto.plutotech.com>
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Thanks for the feedback; I was too absorbed with the fact that this drive is only recently back-from-the-dead to check the bus; it was a termination problem and the onboard 7880 not doing the right thing was only the start. ;( Thanks, -Ted Justin T. Gibbs writes: > > > >On 25-Sep-98 Justin T. Gibbs wrote: > >>> ahc0: <Adaptec aic7880 Ultra SCSI adapter> rev 0x00 int a irq 19 on pci0.6.0 > >>> ahc0: Illegal cable configuration!! > >>> Only two connectors on the adapter may be used at a time! > > ... > > >I get this on a 7895 built into a Super Micro motherboard.. > >Which is kind of suprising since it has 2 chains, and there is one device > >plugged into each chain :) > >The BIOS is set to auto-terminate, which I was told was the cause, and to > >turn auto terminate off (then again, it actually works as it stands.. :) > > I don't know why MB manufacturers insist on allowing the user to enable > auto-term when they didn't put auto-term logic on the MB. Anyway, > you are currently playing a very dangerous game by leaving auto-term > enabled. The bus is not properly terminated and will someday start > showing errors. > > -- > Justin > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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