From owner-freebsd-hackers Thu Apr 17 18:30:52 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id SAA22604 for hackers-outgoing; Thu, 17 Apr 1997 18:30:52 -0700 (PDT) Received: from argus (pm3-p7.tfs.net [206.154.183.199]) by freefall.freebsd.org (8.8.5/8.8.5) with SMTP id SAA22598 for ; Thu, 17 Apr 1997 18:30:48 -0700 (PDT) Received: (from jbryant@localhost) by argus (8.6.12/8.6.12) id UAA16973; Thu, 17 Apr 1997 20:31:08 -0500 From: Jim Bryant Message-Id: <199704180131.UAA16973@argus> Subject: Re: optical drives To: joerg_wunsch@uriah.heep.sax.de Date: Thu, 17 Apr 1997 20:31:07 -0500 (CDT) Cc: freebsd-hackers@freebsd.org Reply-To: jbryant@tfs.net In-Reply-To: <19970418020244.YD57137@uriah.heep.sax.de> from "J Wunsch" at Apr 18, 97 02:02:44 am X-Mailer: ELM [version 2.4 PL24] Content-Type: text Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk In reply: > As Mark Tinguely wrote: > > > notice his optical responses as a type 0 device, the drive I was working > > with responds as a type 7 SCSI device: > > Except for some very old drives (like my SONY SMO), this is often > jumper/DIP switch selectable. Type 7 is the intention per the SCSI > specs, but they offer the compat switch so you can pretend a fixed > disk for silly operating systems. > > -- > cheers, J"org actually, i've found that there are a lot of broken os's... the most compatable way of doing it is to jumper for type 0... also, od0 was still highly alpha when i finally got this thing working under FreeBSD a couple of years ago, and i ain't yet bothered to change drivers yet... if it ain't broke, then don't fix it... btw: take note of the 128M disktab i put in my last posting on this topic... it might go nicely in the /etc/disktab next to mo230 for the dist... i had to buy a 128M disk once when the store was out of 230s, and added that one to disktab recently... it seems to work, as i moved my IEN/RFC collection to it to free up space on a 230M... on the subject of removable scsi disks, but slightly off topic: has anyone done a side by side comparison of SyJet [1.5G] and Jazz [1G] using bonnie or iozone using ahc? given that they are the same price here [$399 internal, $120-129/cart], i'm leaning towards the SyJet... i've also heard that the flap/door thing on the Jazz internal model is really flimsy too, plus the SyJet claims faster real-life sustained throughput ["up to 7 M/S", that's as good as or better than my 2G scsi-2 barracuda]... jim -- All opinions expressed are mine, if you | "I will not be pushed, stamped, think otherwise, then go jump into turbid | briefed, debriefed, indexed, or radioactive waters and yell WAHOO !!! | numbered!" - #1, "The Prisoner" jbryant@tfs.net - KC5VDJ 2M, 70cm, KPC-3+ - kc5vdj@wv0t.#neks.ks.usa.noam