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Date: Fri, 17 Oct 1997 11:22:52 -0500
From: Paul Root <proot@horton.iaces.com>
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To: Steve Hovey <shovey@buffnet.net>
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Subject: Re: fxp0 duplex settings
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Steve Hovey wrote:
> 
> Is there a way to ifconfig it to make it be half duplex?  I cant get the
> 100TX card to talk over the switch to the 10 hub!
> 
> I think the driver etc is working though because I have the right light
> flashing.  I just cant get passed the switch

Sure, lookin in the source (/sys/pci/if_fxp.c):

		/*
		 * If link0 is set, disable auto-negotiation and then:
                 *      If link1 is unset = 10Mbps
                 *      If link1 is set = 100Mbps
                 *      If link2 is unset = half duplex
                 *      If link2 is set = full duplex
                 */


Paul.