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Date:      Sat, 13 Mar 2010 20:39:50 +0100
From:      Torfinn Ingolfsen <torfinn.ingolfsen@broadpark.no>
To:        freebsd-stable@freebsd.org
Subject:   Re: panic - sleeping thread on FreeBSD 8.0-stable / amd64
Message-ID:  <20100313203950.ac227fc3.torfinn.ingolfsen@broadpark.no>
In-Reply-To: <20100313174722.GA95395@icarus.home.lan>
References:  <20100131144217.ca08e965.torfinn.ingolfsen@broadpark.no> <20100306141944.95ec8cb6.torfinn.ingolfsen@broadpark.no> <20100307122913.2f634018.torfinn.ingolfsen@broadpark.no> <20100313141113.cd215e62.torfinn.ingolfsen@broadpark.no> <20100313163848.GA94056@icarus.home.lan> <20100313183259.40fe1db2.torfinn.ingolfsen@broadpark.no> <20100313174722.GA95395@icarus.home.lan>

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On Sat, 13 Mar 2010 09:47:22 -0800
Jeremy Chadwick <freebsd@jdc.parodius.com> wrote:

> How do you tune the thresholds for the temperature or fan?  If they're
> DIP switches, then chances are SAF-TE or SES-2 aren't involved and it's
> probably just some cheap/generic logic chip that does the work.

There is a switch for the temp. The fan can't be adjusted. Luckily it is quite quiet.

> Is it a 4-pin connector?  If so, what the manual is (horribly) trying to
> document is probably an SGPIO connector.

Nope, eight pin. I've scanned the manual and put it up at the page for the machine[1],
in case anyone have a need for it.

> SGPIO is a 4-pin connector which connects a SATA/SAS enclosure to a
> SATA/SAS HBA (controller) so that the two have a direct way to signal
> that a disk has physically failed -- otherwise, the controller has to
> make guesses about the state of things, and timeouts can take a while.
> 
> SGPIO can also be used to provide other things; it's a generic
> communication interface with an official specification.

This one seems  much more simple; one signal (two pins) per drive.

References:
1) http://sites.google.com/site/tingox/ga-ma74gm-s2h
-- 
Torfinn




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