Subject: Re: Ethernet PHY chip discovery not working on 855T with 971/972 chips

From: Dan Malek <[email-masked]>
Date: Wed, 09 Jul 2003 10:37:12 -0400

Dean Matsen wrote:

> Yes, I see we have no pullup on that line. We do dedicated HVAC
> applications, so we
> don't need to do this search.

But.......the hardware is broken.  The MDIO is supposed to be
an open-drain with a pullup.  I guess you may be lucky the
ends of the connection are driving the line proplerly, but it
could be luck that will run out someday.

	-- Dan

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