Subject: Re: Loosing carrier on wm port during autoconfiguration
To: None <>
From: Jason Thorpe <>
List: tech-net
Date: 09/03/2004 07:20:25
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On Sep 2, 2004, at 10:04 PM, Thor Lancelot Simon wrote:

> On Fri, Sep 03, 2004 at 02:43:30PM +1000, Simon Burge wrote:
>> I have a Supermicro box with an X5DAE motherboard here, and the only 
>> way
>> I've ever gotten the on-board i82545EM to work was to plug it in to a
>> 10mbit hub and wire "media 10baseT" in my ifconfig_wm0 line.  
>> Otherwise
>> the symptoms sound similar to yours.  Using "auto" or hard coding any
>> media type failed.
>> An Intel Pro/1000 Server PCI-X i82545EM works just fine however.  From
> It probably depends as much on the PHY as it does on the MAC.

The PHY is built-in on all recent Intel Gig-E chips.  They use the same 
Marvell PHY core for all but the 82547 (and maybe the 82541 ... don't 
recall off the top of my head).

The 82545 is the same as the 82546, except single-port.

         -- Jason R. Thorpe <>

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