From owner-freebsd-hardware Wed Aug 21 17:50:54 1996 Return-Path: owner-hardware Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id RAA22958 for hardware-outgoing; Wed, 21 Aug 1996 17:50:54 -0700 (PDT) Received: from genesis.atrad.adelaide.edu.au (genesis.atrad.adelaide.edu.au [129.127.96.120]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id RAA22939 for ; Wed, 21 Aug 1996 17:50:49 -0700 (PDT) Received: from msmith@localhost by genesis.atrad.adelaide.edu.au (8.6.12/8.6.9) id KAA12475; Thu, 22 Aug 1996 10:04:16 +0930 From: Michael Smith Message-Id: <199608220034.KAA12475@genesis.atrad.adelaide.edu.au> Subject: Re: SCSI again: Asus SC200 vs. Adaptec 2940 ... To: richard@pegasus.com (Richard Foulk) Date: Thu, 22 Aug 1996 10:04:16 +0930 (CST) Cc: freebsd-hardware@FreeBSD.ORG In-Reply-To: <199608212113.LAA20249@pegasus.com> from "Richard Foulk" at Aug 21, 96 11:12:48 am MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hardware@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Richard Foulk stands accused of saying: > > How do these two boards actually compare? Disregarding drivers > are they fairly similar in capability and speed? "depends". the aic7770 (the chip on the 2940) is perhaps a slightly more gutsy device than the 53c810. > Are they possibly similar enough to share driver code? No, they are totally and utterly different. > If the SC200 is capable of keeping up with the 2940 given good > driver support then it would seem appropriate for the FreeBSD > community to get behind it -- given the much more reasonable price. The FreeBSD community _IS_ behind it, for crying out loud. The NCR driver is perfectly functional, and only loses to the aic7770 driver at the high end because of basic hardware limitations. I have no problems keeping 2 or 3 spindles quite busy with one, and given the $2-300 price difference here, that makes me a happy camper. Have you ever tried an NCR-based controller? > Richard -- ]] 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 [[ ]] Collector of old Unix hardware. "Where are your PEZ?" The Tick [[