Date: Fri, 13 Nov 1998 01:05:13 -0600 From: Dan Nelson <dnelson@emsphone.com> To: David Kelly <dkelly@hiwaay.net>, scsi@FreeBSD.ORG Subject: Re: turning off tagged queuing with CAM? Message-ID: <19981113010513.A19694@emsphone.com> In-Reply-To: <199811102303.RAA12327@n4hhe.ampr.org>; from "David Kelly" on Tue Nov 10 17:03:51 GMT 1998 References: <ken@plutotech.com> <199811102303.RAA12327@n4hhe.ampr.org>
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In the last episode (Nov 10), David Kelly said: > "Kenneth D. Merry" writes: > > Matthew Jacob wrote... > > > This needs to be better documented. > > > > Well, it's documented in the SCSI specs. :) I guess I could put > > something in the camcontrol man page about it. > > It would be nice if there was more documentation or reference on SCSI > mode pages for mere mortals. Without asking on a list such as this > few would have figured out what DQue does. The closest we could come > would be in /usr/share/misc/scsi_modes. But there only the name and > location of the flags, and not what they do. Scitex Digital Video (scitexdv.com) used to have a copy of the SCSI-2 Specification (Draft X3T9.2 Rev 10L) online, but it seems to have gone down. Altavista says there is a mirror at http://www.uni-mainz.de/~tacke/scsi/SCSI2.html , and I also made a mirror, available at http://dan.emsphone.com/scsi/ . It details all the mode pages, and all the SCSI commands for each device type. For example, mode page 0x0A is explained in section 8.3.3.1. It's accurate enough for me to have written an ANSI tape reading/writing program in DOS (with code to toggle compression), using this and Ralf Brown's Interrupt list for the ASPI calls :) -Dan Nelson dnelson@emsphone.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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