From owner-freebsd-bugs Wed Feb 16 21: 5:25 2000 Delivered-To: freebsd-bugs@freebsd.org Received: from builder.freebsd.org (builder.FreeBSD.ORG [204.216.27.24]) by hub.freebsd.org (Postfix) with ESMTP id 6FFB237B5EE; Wed, 16 Feb 2000 21:05:24 -0800 (PST) (envelope-from ken@panzer.kdm.org) Received: from panzer.kdm.org (panzer.kdm.org [216.160.178.169]) by builder.freebsd.org (Postfix) with ESMTP id 74426132E5; Wed, 16 Feb 2000 21:04:32 -0800 (PST) Received: (from ken@localhost) by panzer.kdm.org (8.9.3/8.9.1) id WAA75339; Wed, 16 Feb 2000 22:05:06 -0700 (MST) (envelope-from ken) Date: Wed, 16 Feb 2000 22:05:05 -0700 From: "Kenneth D. Merry" To: Torsten Kuehn Cc: freebsd-bugs@freebsd.org, gibbs@freebsd.org, wilko@freebsd.org Subject: Re: ahb Bug with NEC502 CD ROM (2740 even worse!) Message-ID: <20000216220505.A75308@panzer.kdm.org> References: <00021612232914600@mail1.pcom.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: <00021612232914600@mail1.pcom.de>; from tkuehn@websurf.pcom.de on Mon, Mar 24, 2036 at 04:11:19PM +0000 Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Mon, Mar 24, 2036 at 16:11:19 +0000, Torsten Kuehn wrote: > Thank you all, Ken, Justin and Wilko for your feedback. > A more precise description of H/W configuration: it is an AHA1742*A*, > did burn latest F/W v1.42 into it. As 174x has only passive terminators, > passive ones are removed, but an active 50pin HD SCSI terminator is > plugged into the external connector, there are *no* external devices. The > internal bus is also actively terminated by the NEC 502 CD Rom drive, in > addition, there are two Quantum Pro1800 HDs and a TDC4100 on the bus > (total of four devices plus HA). > Yes, a CD Rom had been inserted during bootup (when CAM errors occured). But did you try it without a CD in the drive? > Finally, I *found* a way allowing the current driver to connect to the NEC > CD Rom drive: when setting the (undocumented) J6 Jumper, the drive steps > down from SCSI-II to -I mode .. and the CAM driver selects the drive. I'd > prefer, however, if the driver worked in SCSI-II mode as some features > became unavailable under other OS, otherwise. Should I try to downgrade That is bizarre, since we shouldn't do anything different with SCSI-1 as opposed to SCSI-2. Ken -- Kenneth Merry ken@kdm.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message