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Date:      Tue, 6 Apr 1999 15:40:11 -0600 (MDT)
From:      "Kenneth D. Merry" <ken@plutotech.com>
To:        tony@nua.ie (Tony Byrne)
Cc:        freebsd-alpha@FreeBSD.ORG
Subject:   Re: DEC 21143 based NIC
Message-ID:  <199904062140.PAA30871@panzer.plutotech.com>
In-Reply-To: <370A6F3B.A7D3D92C@nua.ie> from Tony Byrne at "Apr 6, 1999  9:31:55 pm"

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Tony Byrne wrote...
> I've recently laid hands on a DEC Alpha 433a personal workstation, onto
> which I am now trying to install FreeBSD.  So far I've managed to
> install from CD-ROM, but I'm experiencing problems with the integrated
> NIC (a 61143 based nic).
> 
> Up until yesterday it worked on the network, but with awful throughput. 
> Today the NIC won't come up.  My hubs indicate that a link is up,
> FreeBSD detects the NIC but it seems dead to the world and the kernel
> complains of there being no link.
> 
> What's worrying me is that the card seems to have died under NT too :(
> 
> Cables etc. seem fine.
> 
> Has anyone any experience of this behaviour?  Is it normal or is my NIC
> blown?

IIRC, when I installed FreeBSD on a 433au last year, I had to hard-code
some variable in the SRM to get it to do 100BaseT, since it wouldn't
autodetect the fact that it's on a 100BaseT network.

Also, a co-worker has had an awful time getting 21143 chips to do full
duplex 100BaseTX.  He believes that the 21143 hardware may be broken for
100BaseTX full duplex.  (although he did say that the Linux DEC driver
tweaks some undocumented registers and says something like "needs this to
work" without any other comment)  I wonder if the Linux DEC driver works
okay with the 21143 in full duplex mode.

How are you booting NT and FreeBSD off the same machine?  I know FreeBSD
only really works with SRM at the moment, and I thought that NT had to have
the ARC console to boot...

Ken
-- 
Kenneth Merry
ken@plutotech.com


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