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

Dan Malek dan at embeddededge.com
Wed Jul 9 15:21:53 EST 2003


Eugene Surovegin wrote:

> It usually means that your hw lacks pull-up on MII MDIO line.

Yep, and even when PHYs indicate they have internal pull-ups, either
they don't or they aren't sufficient.


	-- Dan


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