From owner-freebsd-hardware  Sun Jul 18 20:24:43 1999
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Date: Sun, 18 Jul 1999 23:24:05 -0400 (EDT)
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To: freebsd-hardware@freebsd.org
From: dgilbert@velocet.ca
Subject: smbus not quite right?
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I have a machine with a P5A motherboard, which probes as follows:

pcf0: <PCF8584 I2C bus controller>
iicbus0: <Philips I2C bus> on pcf0 addr 0xaa
iicsmb0: <I2C to SMB bridge> on iicbus0
smbus0: <System Management Bus> on iicsmb0
smb0: <SMBus general purpose I/O> on smbus0
iic0: <I2C general purpose I/O> on iicbus0

Now... If I run mbmon in ISA mode, which opens /dev/io, it works.  If
I run it in in smbus mode, which opens /dev/smb0, it fails.  Having
read the documentation on /dev/io, I'd rather not have that ability on 
a server... I would guess that it requires an insecure level.

So... any ideas?

Dave.

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