Date: Fri, 5 Feb 1999 21:07:36 -0700 (MST) From: "Kenneth D. Merry" <ken@plutotech.com> To: Don.Lewis@tsc.tdk.com (Don Lewis) Cc: erich@compecon.com, scrappy@hub.org, freebsd-scsi@FreeBSD.ORG Subject: Re: CAM problem with 3.0S? Message-ID: <199902060407.VAA52695@panzer.plutotech.com> In-Reply-To: <199902060021.QAA12409@salsa.gv.tsc.tdk.com> from Don Lewis at "Feb 5, 1999 4:21:40 pm"
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Don Lewis wrote... > On Feb 4, 11:17pm, unsafe at any speed wrote: > } Subject: Re: CAM problem with 3.0S? > } Be sure to turn off the termination on the Adaptec itself when you have both > } the 50-pin and 68-pin cables attached to it. You should also be aware that if > } you're using both the 2940UW's internal connectors that you can't have > } anything connected to its external connector. Also be sure your 68-pin drive > } and whichever drive is at the end of your 50-pin cable are both terminated. > > Shouldn't the controller be configured to terminate the upper 8 bits of > the bus in this configuration? Yes, I think so. This is because the devices on the 50-pin part of the bus can't terminate the high data byte. So, "high on, low off", or automatic termination should work. The former is probably the safest alternative, although automatic termination should work just fine. Ken -- Kenneth Merry ken@plutotech.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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