From owner-freebsd-hardware@FreeBSD.ORG  Mon Dec 21 17:13:41 2009
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Date: Mon, 21 Dec 2009 18:57:55 +0200
From: Andriy Gapon <avg@icyb.net.ua>
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To: Oliver Lehmann <lehmann@ans-netz.de>
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Cc: stable@freebsd.org, hardware@freebsd.org
Subject: Re: 8-STABLE: support for this SMB controller?
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on 21/12/2009 18:42 Oliver Lehmann said the following:
> I got a new system (LGA-1366) with an X58 chipset.
> The SMB controller seems not to be supported? At least the smb driver
> does no good:
> 
> none4@pci0:0:31:3:      class=0x0c0500 card=0x3a301849 chip=0x3a308086 rev=0x00 hdr=0x00
>     vendor     = 'Intel Corporation'
>     device     = 'SMB controller  (50011458)'
>     class      = serial bus
>     subclass   = SMBus

You need ichsmb(4) driver for this hardware.
smb(4) is a 'character device' driver that provides userland interface to smbus(4)
drivers.
And make sure to have revision >= r200715.

-- 
Andriy Gapon