From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from puffin.external.hp.com (puffin.external.hp.com [192.25.206.4]) by dsl2.external.hp.com (Postfix) with ESMTP id 5673E482A for ; Sun, 14 Oct 2001 10:43:17 -0600 (MDT) Message-Id: <200110141640.KAA27919@puffin.external.hp.com> To: James Bottomley Cc: Grant Grundler , parisc-linux@lists.parisc-linux.org, grundler@puffin.external.hp.com Subject: Re: [parisc-linux] Kernel panic with -pa48 In-Reply-To: Message from James Bottomley of "Sun, 14 Oct 2001 09:28:54 CDT." <200110141428.f9EESss01949@localhost.localdomain> Date: Sun, 14 Oct 2001 10:40:01 -0600 From: Grant Grundler List-ID: James Bottomley wrote: > Both of these appear to have a SCSI bus running through the motherbord > to a 50pin ribbon cable on one end and an external D50 SCSI-2 connector > on the case. There appears to be no termination at all on the motherboard, > is that correct? AFAIK, yes - that's correct. The 50-pin (narrow SE SCSI) should be terminated on the external 50-pin high-density connecter. The 50-in ribbon cable has a terminator at the "internal" end. It's all one bus. > The 715/50 has slots for 3 SCSI drives along a ribbon cable which is > terminated at one end. It's intended for 2 HDs and a CD-ROM or SCSI FLoppy. > However, I don't believe the other end would be > terminated unless I put a D50 SE terminator on the external connector. Was > this the way they were usually delivered? I think so. > The 712/60 is even stranger: It has one SCSI drive housing and a short ribbon > cable with no termination. It looks like the correct configuration for this > one would be to activate the drive's termination and also put a D50 terminato > r > on the external connector? Yes. But it works w/o termination too since the cable is vry short if nothing external is connected. grant