From: Pavel Machek <pavel@ucw.cz>
To: lm-sensors@vger.kernel.org
Subject: Re: [lm-sensors] hwmon strangeness, no fan control on w83627dhg
Date: Fri, 13 Feb 2015 18:26:30 +0000 [thread overview]
Message-ID: <20150213182630.GA28506@amd> (raw)
In-Reply-To: <20150108202919.GA25118@amd>
Hi!
> I don't have much time to spend on this right now but you should start
> by comparing the datasheets of the W83627DHG and the W83627DHG-P
> looking for differences.
I got the datasheets, (-P version is novuton, the other one is
winbond), and there are pretty similar.
The hardware monitoring chapter is pretty similar. Section 5 (PECI) is
completely rewritten. Section 6.3 has some differences, it looks -P
has new smart fan III+ feature. Section 6.3.4 (smart fan III+) is
new. There are differences in 7.1.3.1. section, but that is some SMI
interrupt stuff, not interesting for us.
Chapter 8/9 (hardware monitor register set) has completely different
graphics... but seems to describe same hardware. Hmm, it has even the
same value (5CA3) in the identification register. Sections .70-.84 seems to
describe new registers for smart fan III+ mode and more. And there are
more new registers near section .98 and .119.
But it seems hardware should be backwards-compatible...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2015-02-13 18:26 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-08 20:29 [lm-sensors] hwmon strangeness, no fan control on w83627dhg Pavel Machek
2015-01-08 20:32 ` David Hubbard
2015-01-08 21:17 ` Pavel Machek
2015-01-08 22:38 ` Jean Delvare
2015-01-08 22:58 ` Pavel Machek
2015-01-12 7:22 ` Jean Delvare
2015-01-12 8:36 ` Pavel Machek
2015-01-12 16:54 ` Pavel Machek
2015-02-13 18:26 ` Pavel Machek [this message]
2015-02-14 10:56 ` Pavel Machek
2015-02-14 14:37 ` Guenter Roeck
2015-02-14 15:12 ` Pavel Machek
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