Subject: Re: Ethernet transceiver heartbeat (was Re: VAXstation 2000 netboot)
To: Eric Smith <eric@brouhaha.com>
From: Aaron J. Grier <agrier@poofygoof.com>
List: port-vax
Date: 02/29/2000 23:15:28
On Tue, Feb 29, 2000 at 09:14:59PM -0000, Eric Smith wrote:
> Oh! Should that be turned on when using the Qbus and Unibus ethernet
> cards (DEQNA, DELQA, DEUNA, DELUA)?
Yes. SQE should only be turned off when a transceiver is hooked to a
repeater or a multiplexer (like a DELNI). For hosts it should be left
_ON_.
> Is the lack of heartbeat what causes the messages:
>
> Feb 28 17:24:57 vax /netbsd: qe0: ring overrun, resync'd by skipping 6
>
> I thought it was interesting that the skipping number consistently
> cycles from 1 through 14.
I have no idea. I've never seen this on my uVAX-II... (but then again,
I have SQE enabled. ;P )
--
Aaron J. Grier | "Not your ordinary poofy goof." | agrier@poofygoof.com
"Time Correct function allows automatically correcting slight variation
of your key touching manner." -- Roland MSQ-700 manual