*BSD News Article 71318


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From: j@ida.interface-business.de (J Wunsch)
Newsgroups: comp.unix.bsd.netbsd.misc
Subject: Re: New Computer...
Date: 18 Jun 1996 11:13:45 GMT
Organization: interface business GmbH, Dresden
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Message-ID: <4q6319$39g@innocence.interface-business.de>
References: <4pg0u7$ljg_001@evt-pm1-ip9.halcyon.com>
  <4pm1md$91v@innocence.interface-business.de> <6AtY1ASZo$B@rimki.toppoint.de>
Reply-To: joerg_wunsch@interface-business.de (Joerg Wunsch)
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chrimek@rimki.toppoint.de (Christoph Rimek) wrote:

> > As for the network card, avoid the 3Com.  Pick some SMC
> > DEC-21040-based card (they do also 10/100 combos).
> 
> Please comment this statement. What is wrong whith the first class
> networking equipment from 3Com ?

The times 3com was first-class have been passed since.  They've got
too few buffer space, and their DMA capabilities are less useful than
those on other chips.  You can find a short discussion about the
relative merits and drawbacks in the comments on top of the Linux
driver for the 3c59x cards.

I don't have the specs for the 3c59x available (haven't heard anything
back from my query to 3Com within 3 days -- their Webserver is full of
marketing crap, but you don't find the True Useful Information there),
but i've got the specs for the 3c5x9 which are rather similar in
design.  Due to the limited buffer space, it's clearly marked as a
``client ethernet adapter''.  Oh well, but Unix is a server o/s, and
many people take these cards as being good in a server o/s.

-- 
J"org Wunsch					       Unix support engineer
joerg_wunsch@interface-business.de       http://www.interface-business.de/~j