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Date:      Wed, 30 May 2001 09:57:47 -0400 (EDT)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        Riccardo.Veraldi@fi.infn.it
Cc:        <freebsd-alpha@FreeBSD.ORG>
Subject:   Re: 100Mbps dc0 settings
Message-ID:  <15124.64603.281236.755524@grasshopper.cs.duke.edu>
In-Reply-To: <Pine.NEB.4.33.0105301514520.3630-100000@nikita.fi.infn.it>
References:  <Pine.NEB.4.33.0105301514520.3630-100000@nikita.fi.infn.it>

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Riccardo.Veraldi@fi.infn.it writes:
 > 
 > 
 > Hello, always the same Miata MX5:
 > dc0: <Intel 21143 10/100BaseTX> port 0x9000-0x907f mem 0x81340000-0x8134007f irq 0 at device 3.0 on pci0
 > dc0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
 >         inet 192.84.146.216 netmask 0xffffff00 broadcast 192.84.146.255
 >         inet6 fe80::200:f8ff:fe75:81c0%dc0 prefixlen 64 scopeid 0x1
 >         ether 00:00:f8:75:81:c0
 >         media: 10baseT/UTP status: active
 >         supported media: autoselect 100baseTX <full-duplex> 100baseTX
 > 10baseT/UT
 > P <full-duplex> 10baseT/UTP 100baseTX <hw-loopback>
 > 
 > How can I ru nit at 100Mbps full-duplex ??
 > ACtually it is attached on a 100Mbps switch, how can I force it to 100Mbps ??
 > Seems like the autosensing of speed is not working.

Yes, because you've disabled autoselecting.  If it were
autoselecting, the media line would say so:

       media: autoselect (100baseTX <full-duplex>) status: active

Note the world "autoselect"

Read the ifconfig(8) and dc(4) man pages to learn how to enable
autoselect.

BTW, autoselect is almost certainly disabled because FreeBSD/alpha
preserves the SRM console media settings when possible.  So there are
2 ways to make it autoselect -- set the media option of ifconfig, or
set it to autoselect in the SRM console via the ewaX_mode variable.

Drew

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