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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: 3 problems with FreeBSD 2.1.5 Install
Date: 5 Jan 1997 01:03:26 GMT
Organization: Private BSD site, Dresden
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Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
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eric@godzilla.berkeley.edu (Eric van Bezooijen) wrote:
> >I know for a fact that the HP SureStore 200 model C3725S _is_ the drive
> >that won't work with tagged commands. I had this problem when using this
> I actually e-mailed HP about this (HP tech support is pretty awesome), and
> this is the response I got:
> The drive works with tagged command queuing, what was told to you is
> incorrect.
Can they quote you at least one machine where it works with tagged
commands enabled?
> Tagged commands are ...
Yes, we know what tagged commands are.
> do multiple commands at once, so it sets up a queue of commands, each
> command get a "tag" to keep track of the commands, in case one of them
> fails and the drive has to report a Unit Attention.
Interesting. Why do they respond with an ``Overlapped commands
attempted'' then?
> So I suppose it's the combination of the card and the drive that causes the
> problem ?
No, these drives are also known to fail with tagged commands enabled
on other controllers. If memory serves me correctly, as well on other
OS's, but i don't know some{thing,one} to quote you here.
--
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. ;-)