From owner-freebsd-scsi Thu Oct 31 09:03:34 1996 Return-Path: owner-freebsd-scsi Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id JAA20701 for freebsd-scsi-outgoing; Thu, 31 Oct 1996 09:03:34 -0800 (PST) Received: from rover.village.org (rover.village.org [204.144.255.49]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id JAA20690 for ; Thu, 31 Oct 1996 09:03:29 -0800 (PST) Received: from rover.village.org [127.0.0.1] by rover.village.org with esmtp (Exim 0.56 #1) id E0vJ0WE-0001Qi-00; Thu, 31 Oct 1996 10:03:02 -0700 To: "Rodney W. Grimes" Subject: Re: FreeBSD support for Adaptec/Buslogic drivers Cc: lada@ws2301.gud.siemens.co.at (Hr.Ladavac), scsi@freebsd.org In-reply-to: Your message of "Thu, 31 Oct 1996 08:54:17 PST." <199610311654.IAA04790@GndRsh.aac.dev.com> References: <199610311654.IAA04790@GndRsh.aac.dev.com> Date: Thu, 31 Oct 1996 10:03:02 -0700 From: Warner Losh Message-Id: Sender: owner-freebsd-scsi@freebsd.org X-Loop: FreeBSD.org Precedence: bulk In message <199610311654.IAA04790@GndRsh.aac.dev.com> "Rodney W. Grimes" writes: : They are not all equal, the ``cheap'' ones use passive termination, : the good ones (ASUS SC-200 and many others) use active termination. That brings up a question that I've been meaning to ask for a long time. Can someone tell me the difference between active and passive termination, or point me at something that does? In addition, why would I want one over the other? Warner