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From: John Baldwin <jhb@freebsd.org>
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Subject: Re: dev/ixgb and dev/ixgbe
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On Tuesday 24 November 2009 4:23:53 pm David Somayajulu wrote:
> Hi All,
> I would really appreciate if someone can help me understand the difference
> between the above drivers from Intel. Is one of them for older hardware ?

I believe the short version is that ixgb(4) supports PCI-X 10gb adapters and
ixgbe(4) supports PCI-express 10gb adapters.

-- 
John Baldwin