From owner-freebsd-scsi Sat Mar 22 04:50:56 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id EAA21911 for freebsd-scsi-outgoing; Sat, 22 Mar 1997 04:50:56 -0800 (PST) Received: from sax.sax.de (sax.sax.de [193.175.26.33]) by freefall.freebsd.org (8.8.5/8.8.5) with SMTP id EAA21902 for ; Sat, 22 Mar 1997 04:50:53 -0800 (PST) Received: (from uucp@localhost) by sax.sax.de (8.6.12/8.6.12-s1) with UUCP id NAA05197; Sat, 22 Mar 1997 13:50:50 +0100 Received: (from j@localhost) by uriah.heep.sax.de (8.8.5/8.8.5) id NAA23952; Sat, 22 Mar 1997 13:46:30 +0100 (MET) Message-ID: <19970322134630.HB62947@uriah.heep.sax.de> Date: Sat, 22 Mar 1997 13:46:30 +0100 From: j@uriah.heep.sax.de (J Wunsch) To: freebsd-scsi@freebsd.org Cc: prihodko@husc.harvard.edu (Andrew Prihodko) Subject: Re: AHA-1542CF and Colorado T8000es References: <3.0.32.19970319105008.006c7ce4@pop.fas.harvard.edu> X-Mailer: Mutt 0.60_p2-3,5,8-9 Mime-Version: 1.0 X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: <3.0.32.19970319105008.006c7ce4@pop.fas.harvard.edu>; from Andrew Prihodko on Mar 19, 1997 10:50:09 -0500 Sender: owner-freebsd-scsi@freebsd.org X-Loop: FreeBSD.org Precedence: bulk As Andrew Prihodko wrote: > Can anyone help me with this? I have no idea what is wrong. I tried to > connect a Wangtek drive a few weeks ago and had the same problem. This is a strong indication that your cabling is the problem. The AHA1542C*F* is a 20-MHz-capable adapter, and as thus known to be more picky regarding cabling requirements. I don't think 80 cm of cable are a problem itself, but be aware that good SCSI cables have their price. Something like USD 50 should not be uncommon for a quality cable. We've been working with a lot of SCSI equipment at my previous employer (including scanners and printers, MO drives etc.), and i remember there were some cables on the shelf that were basically unusable with almost every hardware around. To make sure, simply try out another (possibly shorter) cable. Also if you can, and it seems the tape drive is your only device anyway, try with a different controller that cannot provide 20 MHz rate, like the older AHA1542B or plain 1542C (no `F'). -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)