Date: Sat, 28 Sep 1996 01:05:20 +0200 (MET DST) From: J Wunsch <j@uriah.heep.sax.de> To: freebsd-scsi@freebsd.org Cc: richard@cogsci.ed.ac.uk Subject: Re: HP T4000s tape drive Message-ID: <199609272305.BAA13439@uriah.heep.sax.de> In-Reply-To: <9295.199609211530@pitcairn.cogsci.ed.ac.uk> from "richard@cogsci.ed.ac.uk" at "Sep 21, 96 04:30:52 pm"
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As richard@cogsci.ed.ac.uk wrote: > I've just got an HP (Colorado) T4000s tape drive working under FreeBSD > 2.1.0. It's a SCSI QIC-3095 drive, 4GB uncompressed. Good news! > The main change required is that the PF bit in mode select must be set to > one. Is a "quirk" the right way to do this? I haven't yet looked at Yep, it is. > the -current code to see how the SCSI code has changed since 2.1.0. It has, massively. > The other changes are to increase SCSI_2_MAX_DENSITY_CODE from 0x17 MAX_DENSITY_CODE should be killed. I think we were already consent on this, but nobody did the deed by now. Well, mmmaybe it's already in Justin's ongoing SCSI work. > (not essential, since you can't change the density of this drive) and > add a SCSI_SILENT flag to the scsi_prevent call in st_mount_tape(). PREVENT ALLOW MEDIUM REMOVAL is optional by the SCSI-2 specs, so we should perhaps really make the call to it `silent'. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)
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