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Date:      Wed, 22 Apr 1998 08:35:51 -0700
From:      Paul Norton <pnorton@ccnvhi.com>
To:        "Larry S. Lile" <lile@stdio.com>
Cc:        George Morgan <George_Morgan@BayNetworks.COM>, freebsd-tokenring@FreeBSD.ORG
Subject:   Re: code updated
Message-ID:  <199804221535.IAA03736@grumpy.ccnvhi.com>
In-Reply-To: <Pine.SUN.3.91.980422100613.22047C-100000@heathers2.stdio.com>
References:  <19980422140304.AAA26391@gmorgan-pc.corpwest.baynetworks.com> <Pine.SUN.3.91.980422100613.22047C-100000@heathers2.stdio.com>

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Larry S. Lile writes:
 > 
 > 
 > On Wed, 22 Apr 1998, George Morgan wrote:
 > 
 > > > Do we have any concensus on what the default badrate should be?
 > > 
 > > For backward compatibility sake we should have 4 Mbps as the default, but 
 > > since UNIX users usually consider themselves as power users, maybe we 
 > > should set it to 16 Mbps :)

99.99% of your users will be at 16Mbps. 

 > You are probably right, some of the older cards can only run at 4Mbps
 > and wont tell you any different and 16Mbps cards usually autodetect
 > and report correctly.

Older cards won't autodetect. They just beacon your ring if set
incorrectly. All IBM shared-RAM adapters and compatibles will tell you
the ring speed on either open or init (I can't remember offhand) so a
default isn't used in these cases (these are set by dip switch or
configuration program anyway.) Autodetecting adapters fail on open
with a particular error code if inserting at the wrong speed, so you
can reset the speed and retry the open. In these cases the default is
the last speed it successfully opened at, stored in nonvolatile
storage on the adapter. So I guess my question is what is the purpose
of having a default hard-coded someplace in the kernel?


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