From owner-freebsd-scsi Wed Dec 11 02:40:34 1996 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id CAA03153 for freebsd-scsi-outgoing; Wed, 11 Dec 1996 02:40:34 -0800 (PST) Received: from Octopussy.MI.Uni-Koeln.DE (Octopussy.MI.Uni-Koeln.DE [134.95.166.20]) by freefall.freebsd.org (8.8.4/8.8.4) with SMTP id CAA03140 for ; Wed, 11 Dec 1996 02:40:23 -0800 (PST) Received: from x14.mi.uni-koeln.de (annexr3-15.slip.Uni-Koeln.DE) by Octopussy.MI.Uni-Koeln.DE with SMTP id AA16664 (5.67b/IDA-1.5 for ); Wed, 11 Dec 1996 11:39:57 +0100 Received: (from se@localhost) by x14.mi.uni-koeln.de (8.8.4/8.6.9) id XAA01276; Tue, 10 Dec 1996 23:32:25 +0100 (CET) Message-Id: Date: Tue, 10 Dec 1996 23:31:04 +0100 From: se@FreeBSD.ORG (Stefan Esser) To: langfod@dihelix.com (David Langford) Cc: freebsd-scsi@FreeBSD.ORG Subject: Re: does ncr driver support Ultra SCSI? References: <199612101143.BAA00201@caliban.dihelix.com> X-Mailer: Mutt 0.52 Mime-Version: 1.0 In-Reply-To: <199612101143.BAA00201@caliban.dihelix.com>; from David Langford on Dec 10, 1996 01:43:25 -1000 Sender: owner-freebsd-scsi@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Dec 10, langfod@dihelix.com (David Langford) wrote: > I have a fast/wide SCSI-II NCR based controller (from Coporate Systems) > with an IBM 32160 ultra SCSI drive hooked up. > > I noticed that the system negotiates a 10Mb clock with the drive. > Is this something in the driver or do I have things configured wrong? Well, you don't really expect Ultra-SCSI to make much of a difference with the IBM DORS anyway, do you ? ;-) Since Ultra-SCSI requires extremely short and good cables, I decided to add 53c875 support with Ultra disabled, in order to be sure that problems reported would not be caused by marginal hardware. I'm just testing the Ultra negotiation on my system (based on own modifications and patches sent by Gerard Roudier), and will most likely commit them to the -current repository before the end of the week. Regards, STefan