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To: jak@cetlink.net (John Kelly)
cc: Tom <tom@sdf.com>, Mike Smith <mike@smith.net.au>,
        FreeBSD Hackers <hackers@FreeBSD.ORG>
Subject: Re: 3com 3c509 card 
In-reply-to: Your message of "Tue, 16 Dec 1997 09:43:02 GMT."
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Date: Tue, 16 Dec 1997 19:10:50 +1030
From: Mike Smith <mike@smith.net.au>
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> On Mon, 15 Dec 1997 23:51:31 -0800 (PST), Tom <tom@sdf.com> wrote:
> 
> >  Also, the ed driver supports shared memory cards like the SMC Ultra 16.
> >Fastest ISA ethernet you can get.
> 
> I replaced an NE2000 clone with a SMC Ultra 16, thinking shared memory
> would consume far less CPU than PIO with an NE2000.  But it seems to
> be about the same.

About half.  Please don't confuse anecdotal evidence with measured 
results.

mike