From owner-freebsd-questions Thu Dec 28 04:37:01 1995 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id EAA02265 for questions-outgoing; Thu, 28 Dec 1995 04:37:01 -0800 (PST) Received: from genesis.atrad.adelaide.edu.au (genesis.atrad.adelaide.edu.au [129.127.96.120]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id EAA02242 Thu, 28 Dec 1995 04:36:52 -0800 (PST) Received: from msmith@localhost by genesis.atrad.adelaide.edu.au (8.6.12/8.6.9) id XAA02854; Thu, 28 Dec 1995 23:14:18 +1030 From: Michael Smith Message-Id: <199512281244.XAA02854@genesis.atrad.adelaide.edu.au> Subject: Re: VLB controllers: benefits? which one to buy? To: d_burr@ix.netcom.com (Donald Burr) Date: Thu, 28 Dec 1995 23:14:18 +1030 (CST) Cc: freebsd-questions@FreeBSD.org, freebsd-scsi@FreeBSD.org In-Reply-To: from "Donald Burr" at Dec 28, 95 02:57:20 am MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-questions@FreeBSD.org Precedence: bulk Donald Burr stands accused of saying: > > He was wondering if there was any real difference in performance between > his ISA board (1542CP) and a VLB-based SCSI controller. Will it be > faster, or is there not really a noticable difference? Shitloads. > I remember back when I had IDE drives, when I switched from a 16-bit ISA > to a 32-bit VLB IDE controller, I was not impressed with the (small) > speed difference it gave me. But maybe SCSI is different? I don't > really know, so I couldn't really answer his question myself. The difference is very significant 8) > He also would like to know, out of curiosity, what VLB SCSI controllers > would be the best to buy, and how much to expect to pay for one. > Obviously it would have to be compatible with FreeBSD and Win95. The Adaptec 2842, Ultrastor 34F or Buslogic BT445 are the three worth considering. It's hard to compare them performance-wise; I'd just go for whichever he can get cheapest. > Donald Burr [d_burr@ix.netcom.com], PO Box 91212, Santa Barbara CA 93190-1212 -- ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ ]] Genesis Software genesis@atrad.adelaide.edu.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ ]] "Who does BSD?" "We do Chucky, we do." [[