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Date:      Sat, 20 Oct 2012 23:09:10 +0300
From:      Andriy Gapon <avg@FreeBSD.org>
To:        Derek Kulinski <takeda@takeda.tk>
Cc:        freebsd-stable@FreeBSD.org
Subject:   Re: Problem reading vitals from Gigabyte H77-DH3H
Message-ID:  <508304E6.6020202@FreeBSD.org>
In-Reply-To: <5082FEA8.3050600@FreeBSD.org>
References:  <1286515493.20121017131543@takeda.tk> <507F1761.1010202@FreeBSD.org> <20121017205147.GB36106@chinatsu.takeda.tk> <5081552F.2050303@FreeBSD.org> <771658188.20121019205010@takeda.tk> <508254AF.7040709@FreeBSD.org> <994545137.20121020010809@takeda.tk> <50826040.6010106@FreeBSD.org> <55342693.20121020103732@takeda.tk> <5082EEC8.2080307@FreeBSD.org> <198684285.20121020122034@takeda.tk> <5082FEA8.3050600@FreeBSD.org>

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on 20/10/2012 22:42 Andriy Gapon said the following:
> on 20/10/2012 22:20 Derek Kulinski said the following:
>> I have three questions though:
>> 1. The motherboard has 4 fan sockets (as far as I can tell), CPU_FAN,
>>    and SYS_FAN[1-3]. SYS_FAN1 currently is not connected.
>>    Seems like:
>>      fan0 -> CPU_FAN (did not try to disconnect it to check :)
>>      fan1 -> SYS_FAN1
>>      fan2 -> SYS_FAN2
>>    There is no entry for SYS_FAN3. I disconnected it temporarily but
>>    it did not seem to affect the output. Is it possible to get that
>>    information from the motherboard?
> 
> The driver would have to be updated for that.
> Unfortunately ITE does not provide public datasheets.
> We could pick up some new bits from the Linux driver though.
> http://lxr.linux.no/#linux+v3.6.2/drivers/hwmon/it87.c

In fact, here is a completely untested patch:
http://people.freebsd.org/~avg/it-fans-0x80.diff

P.S. Just to satisfy my curiosity - could you please add a printf in it_attach
that would print the value read from ITD_COREID?

-- 
Andriy Gapon



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