Intel H55 and em0

Jack Vogel jfvogel at
Thu Apr 1 06:39:13 UTC 2010

The device subfamily on those motherboards is called PCH, and its only in
the em driver as of
last December, The CVS delta of if_em is 1.27. You can either update to
If you wish to just pull the e1000 driver directory it should work fine in
8.0 RELEASE also.



On Wed, Mar 31, 2010 at 11:29 PM, David Ehrmann <ehrmann at> wrote:

> I recently picked up a H55-based motherboard, and the ethernet interface
> isn't autodetected.  dmesg lists it as the following:
> pci0: <network, ethernet> at device 25.0 (no driver attached)
> And pciconf lists this:
> none1 at pci0:0:25:0:      class=0x020000 card=0x00008086 chip=0x10ef8086
> rev=0x06 hdr=0x00
>   vendor     = 'Intel Corporation'
>   class      = network
>   subclass   = ethernet
> I'm actually not sure it's an em device, but it's definitely gigabit, and
> googling suggests that others have recently run into the same issue.
> Since I'll probably have to recompile, is this currently working in recent
> builds of 8.0?  This was just a vanilla 8.0 release image.  Would some
> simple change tell the driver to recognize this card?
> Thanks in advance.
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