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Date: Tue, 07 Oct 2008 16:27:19 -0500
From: Joe Koberg <joe@osoft.us>
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To: Pete French <petefrench@ticketswitch.com>
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Cc: antik@bsd.ee, koitsu@FreeBSD.org, freebsd-stable@freebsd.org
Subject: Re: fxp performance with POLLING
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Pete French wrote:
>> However, ethernet at 100Mbit is 4B5B coded at a 125mhz rate. So the raw 
>>     
>
> Errr, 4B5B *is* 10 bits per byte surely?
> ...
> Gig ether is mainly 8B10, as is Firewire, SATA, FibreChannel and a
>
> Mind you, it assumes that you know the real bit rate, which in the
> case of 100baseT is, as you say, actualy 125mbits/sec.
>   

You are right. It definitely is 10 bits per byte clocked at a higher 
rate. I guess the "100mbit/s" rate is so strongly associated with the 
technology that I glossed right over that.


Joe