From owner-freebsd-scsi Wed Feb 18 17:06:27 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id RAA27648 for freebsd-scsi-outgoing; Wed, 18 Feb 1998 17:06:27 -0800 (PST) (envelope-from owner-freebsd-scsi@FreeBSD.ORG) Received: from proxyb1.san.rr.com (proxyb1-atm.san.rr.com [204.210.0.10]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id RAA27639 for ; Wed, 18 Feb 1998 17:06:23 -0800 (PST) (envelope-from Studded@san.rr.com) Received: from san.rr.com (dt050ndd.san.rr.com [204.210.31.221]) by proxyb1.san.rr.com (8.8.7/8.8.8) with ESMTP id RAA10763; Wed, 18 Feb 1998 17:05:21 -0800 (PST) Message-ID: <34EB854D.18B5DF13@san.rr.com> Date: Wed, 18 Feb 1998 17:05:18 -0800 From: Studded Organization: Triborough Bridge and Tunnel Authority X-Mailer: Mozilla 4.04 [en] (X11; I; FreeBSD 2.2.5-STABLE-0218 i386) MIME-Version: 1.0 To: Matthew Reimer CC: freebsd-scsi@FreeBSD.ORG Subject: Re: Problems with disconnects and 2940UW (Justin?) References: <34EB5428.4BE6F8F0@vpop.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Matthew Reimer wrote: > The machine is a PII 233MHz, Adaptec 2940UW, one IBM DCAS-34330W 4.3G UW > SCSI disk, and 128M RAM. It is running 2.2-STABLE newer than 1 February > 1998. I wish I had better news, but I have exactly the same drive and controller and they work like a charm. There is an issue with adaptec drives regarding the Plug and Play SCAM support. It runs a lot better with it enabled. I have the following options set in my adaptec BIOS (version 1.25): Parity Enabled Termination Auto Device options: Sync Yes Transfer rate 40 Disconnection Yes Wide Yes Advanced options: SCAM Enabled Reset Enabled Ultra Enabled Here are my kernel config file options: controller ahc0 options AHC_TAGENABLE options AHC_SCBPAGING_ENABLE options AHC_ALLOW_MEMIO controller scbus0 at ahc0 disk sd0 at scbus0 target 6 <- This is the DCAS disk sd1 at scbus0 target 5 <- This is a Zip drive in case it matters Also someone posted on a related thread that some of the DCAS drives come with the DQUE jumper shorted, you might want to check that too. If you need a BIOS upgrade it's available free from Adaptec, check out their www page and find the link to mail support. Hope this helps, Doug -- *** Chief Operations Officer, DALnet IRC network *** *** Proud operator, designer and maintainer of the world's largest *** Internet Relay Chat server. 5,328 clients and still growing. *** Try spider.dal.net on ports 6662-4 (Powered by FreeBSD) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message