From owner-freebsd-hackers Sat May 24 04:08:07 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id EAA21019 for hackers-outgoing; Sat, 24 May 1997 04:08:07 -0700 (PDT) Received: from darius.concentric.net (darius.concentric.net [207.155.184.79]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id EAA21014 for ; Sat, 24 May 1997 04:08:04 -0700 (PDT) Received: from newman.concentric.net (newman.concentric.net [207.155.184.71]) by darius.concentric.net (8.8.5/(97/05/21 3.30)) id HAA17505; Sat, 24 May 1997 07:08:03 -0400 (EDT) [1-800-745-2747 The Concentric Network] Received: from shag (ts002d11.sal-ut.concentric.net [206.173.156.47]) by newman.concentric.net (8.8.5) id HAA08052; Sat, 24 May 1997 07:07:52 -0400 (EDT) Message-ID: <3386CBC3.88C37DBB@concentric.net> Date: Sat, 24 May 1997 05:06:43 -0600 From: Joshua Fielden Organization: Shaggy Enterprises X-Mailer: Mozilla 4.0b4 [en] (Win95; I) MIME-Version: 1.0 To: hackers@FreeBSD.ORG Subject: Re: Controler for SCSI X-Priority: 3 (Normal) References: <199705241036.UAA02991@godzilla.zeta.org.au> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Bruce Evans wrote: > > >> Funny, the 2920 is listed in the docs somewhere as not supported >> only Adaptec so specified>. > >... > >The EIDE is about the same as what you could get with the Future > >Domain; both are PIO only. > > Nope, EIDE supports PIO mode 4 (16.6MB/sec) and DMA at about the same > speed. 16.6MB/sec is standard for PCI EIDE controllers. Crufty SCSI > PIO controllers are unlikely to be as fast. New Quantum EIDE drives > support DMA at 33.3MB/sec. > > Bruce Now if only it worked that way In Real Life... :-) I have a pretty decent Fijitsu drive, and my Quantum Lightning, which is among the worse SCSI-II drives manufactered in the last couple of years, takes it to town on every benchmark on the planet. I know the controller is crap, but it was cheap, and I was just hoping. =) -- SCSI is *not* magic. There are many technical reasons why it is occasionally nessicary to sacrifice a small goat to your SCSI chain. -- Joshua Fielden