Date: Sun, 15 Feb 1998 15:22:24 -0800 From: brian@worldcontrol.com To: freebsd-current@FreeBSD.ORG, freebsd-scsi@FreeBSD.ORG Subject: Re: Jaz Drives / Tagged Command Queuing Message-ID: <19980215152224.40242@top.worldcontrol.com> In-Reply-To: <34E755D6.AED49076@mail.cdsnet.net>; from Steve Logue on Sun, Feb 15, 1998 at 08:53:42PM %2B0000 References: <34E755D6.AED49076@mail.cdsnet.net>
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On %M 0, Steve Logue <stevel@mail.cdsnet.net> wrote: > > I got a very fast response from the hardware engineer (Jaz and Jaz 2 > > designer). The problem is this - The Jaz drive does not support > > command queing, and revisions older than J.86 do not report it correctly. > > For example, when your SCSI adapter says "I'm going to use command > > queing" to the Jaz drive, the drive answers "OK, lets go", even though its > > not supported. The J.86 drives will now answer "Sorry, command > > queing is not supported". Iomega does not have any current plans to > > support command queing. I'm not familiar with Iomega products, however, my Syquest Syjet 1.5 at leasts reports that it supports it: ahc0:A:4: refuses WIDE negotiation. Using 8bit transfers ahc0: target 4 Tagged Queuing Device sd1 at scbus0 target 4 lun 0 sd1: <SyQuest SyJet-S 0112> type 0 removable SCSI 2 sd1: Direct-Access 1430MB (2929800 512 byte sectors) I have not had any problems using it. A cool aspect of this drive is: 'Minimum Data Transfer Rate: 3.7mb/sec' so you can do AV type stuff with it. -- Brian Litzinger <brian@worldcontrol.com> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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