From owner-freebsd-scsi  Wed Aug 28 04:06:24 1996
Return-Path: owner-freebsd-scsi
Received: (from root@localhost)
          by freefall.freebsd.org (8.7.5/8.7.3) id EAA19587
          for freebsd-scsi-outgoing; Wed, 28 Aug 1996 04:06:24 -0700 (PDT)
Received: from bigpuppy.newell.arlington.va.us (mcnsisdn.newell.arlington.va.us [206.27.237.14])
          by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id EAA19570
          for <freebsd-scsi@freebsd.org>; Wed, 28 Aug 1996 04:06:19 -0700 (PDT)
Received: (from mnewell@localhost) by bigpuppy.newell.arlington.va.us (8.6.12/8.6.9) id HAA26143; Wed, 28 Aug 1996 07:02:46 -0400
Date: Wed, 28 Aug 1996 07:02:45 -0400 (EDT)
From: Mike Newell <mnewell@newell.arlington.va.us>
To: Gordon Henderson <gordon@drogon.net>
cc: freebsd-scsi@freebsd.org
Subject: Re: HP SCSI drives - Jumper settings?
In-Reply-To: <Pine.LNX.3.91.960828111109.10016D-100000@unicorn>
Message-ID: <Pine.BSF.3.91.960828070156.22028D-100000@bigpuppy.newell.arlington.va.us>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-freebsd-scsi@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

Many manufacturers have the spec sheets, including jumper settings, on 
their Web pages.  Have you checked out HP's?

Mike

On Wed, 28 Aug 1996, Gordon Henderson wrote:

> Date: Wed, 28 Aug 1996 11:47:13 +0100 (BST)
> From: Gordon Henderson <gordon@drogon.net>
> To: freebsd-scsi@freebsd.org
> Subject: HP SCSI drives - Jumper settings?
> 
> 
> I have a pair of HP C3325A 2GB SCSI drives, whch I'm about to add into a
> FreeBSD news machine, but, alas, no manual for them. I need to connect
> them on the same bus - I've worked out SCSI ID, but there are 2 other
> jumpers, I'm presuming one is parity, the other termination enable. With
> both of them on the same bus, they verify ok from the BIOS (Adaptec PCI
> card), but I'm woried that under heavy load, if both are terminated then I
> may see problems. The jumpers are set as below: 
> 
>      012 34 56789
>      *** ** *****
>      ||   | |
>      *** ** *****
> 
> This being ID 3, the ID jumpers being the leftmost block of 3.
> 
> Anyone any clues what the other jumpers do, or which one of 4 or 5 is the
> terminator enable jumper? (Or prehaps one of the others is a terminator
> disable..)
> 
> Thanks for any input ...
> 
> Gordon
> 

Much obliged,

Mike

+--------------------------------------+------------------------------------+
| Mike Newell                          | The opinions expressed herein      |
| Affiliation:                         | are mine.  You can take them or    |
| Address:                             | leave them.  Flames to /dev/null.  |
+--------------------------------------+------------------------------------+
| Mike@Newell.arlington.va.us          | http://www.newell.arlington.va.us  |
+--------------------------------------+------------------------------------+
| "Peace.  It's wonderful!"  Father Divine.                                 |
+---------------------------------------------------------------------------+