Re: [Linux-ia64] disabling nics in efi.

From: Alex Williamson <>
Date: 2003-01-09 08:52:57
   The EFI driver has nothing to do with whether the NIC shows up
to the OS.  It only makes it unavailble from EFI, the hardware is
still there.  I don't know of any way to make the NICs not show up
other than not loading the module.


Roy Dragseth wrote:
> I have a bunch of HP rx2600 that have two internal nics (10/100Mbit and 1Gbit)
> and one external nic (1Gbit).  Is it possible to disable the two internal
> ones in efi so linux won't see them?  I tried to use the disconnect command
> in the efi shell, but they still keep showing up when I boot up linux.
> I used
> disconnect 4C
> disconnect 49
> and they report successful operation.  Am I missing the point completely?
> I also tried the reserve= boot option to avoid linux to probe them, but that
> didn't work either.  I probably computed the iobase and extents wrong.  Do
> anyone know how to determine the correct parameters?
> The reason for wanting to disable the internal nics is that the redhat
> installer insists on fetching the kickstart file over eth0 when doing
> installations over the network and the external nic that I want to use
> becomes eth2.
> Any hints is greatly appreciated.
> Best regards,
> Roy.
> --
>   The Computer Center, University of Tromsų, N-9037 TROMSŲ, Norway.
>               phone:+47 77 64 41 07, fax:+47 77 64 41 00
>      Roy Dragseth, High Performance Computing System Administrator
>          Direct call: +47 77 64 62 56. email:
> _______________________________________________
> Linux-IA64 mailing list

Alex Williamson                                  Linux Development Lab                                 Hewlett Packard
970-898-9173                                          Fort Collins, CO
Received on Wed Jan 08 13:57:31 2003

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