Date: Wed, 06 Mar 1996 02:46:35 -0800 From: "Jordan K. Hubbard" <jkh@time.cdrom.com> To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) Cc: freebsd-scsi@freebsd.org Subject: Re: HP 4080i as both CD and WORM? Message-ID: <14827.826109195@time.cdrom.com> In-Reply-To: Your message of "Wed, 06 Mar 1996 09:48:18 %2B0100." <199603060848.JAA10424@uriah.heep.sax.de>
next in thread | previous in thread | raw e-mail | index | archive | help
> [Scope widened to freebsd-scsi without Jordan's permission, hope he > wouldn't mind. :) ] No problem! The more the merrier. > Well, it still suffers from a few idiosyncracsies and design flaws. > The most annoying one is the blatant use of UNIT ATTENTIONs in these > drives, which causes four messages at boot time, and still required me Yes, those are kind of annoying, I agree. Wouldn't it be permissable to simply loop, say, 5 times with a slight delay each time and if the drive is still returning UNIT ATTENTION (reported as "Target Busy", I assume?) simply gobble it and try again, or does the fool thing assert UA continuously until something else happens? > frequently asked question is about the Yamaha devices. Jordan, could > you bug Yamaha to release their SCSI reference manual to us, even > though we cannot promise them any sales figures and other $%!@? I will try. We have a couple of them here (the quad-speed ones) so I can probably say "Hey, we're Walnut Creek CDROM, we have some of your drives, and we NEED the frimpin' tech specs!" :-) > It misses code for ``disk at once'', and my Plasmon doesn't even seem I'm afraid that I don't quite know what is meant here? > For a more advanced operation, the driver needs to inherit all the > functionality of the CD-ROM driver. It is a very special case, since > the CD-Rs can be considered a ``super-class'' of CD-ROMs. We could > either clone the CD-ROM driver, or violate the layering and jump Hmmmm. Julian? :-) Jordan
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?14827.826109195>