Re: 2nd nfe interface not showing up on Tyan S2895

Erik Trulsson <ertr1013_at_student.uu.se> writes:

> On Mon, Oct 29, 2007 at 01:22:08AM +0100, Arno J. Klaassen wrote:
> > Rod Person <rodperson_at_verizon.net> writes:
> > 
> > > On Sun, 28 Oct 2007 19:27:25 +0100
> > > "Arno J. Klaassen" <arno_at_heho.snv.jussieu.fr> wrote:
> > > 
> > > > 
> > > >  - more serious, this board is supposed to have two of them
> > > >    (enabled in BIOS as 'Slave Device') but only one of them
> > > >    shows up at boot (and in pciconf -vl)
> > > 
> > >  
> > > > Does anyone have a hint how to get that second interface at least
> > > > to show up? Thanx in advance and feel free to contact me for
> > > > more detailed info.
> > > > 
> > > 
> > > I have an S2895 with the dual Gigabit nics. I've been running CURRENT
> > > since Feb 2006 and never had a problem getting both nics to show up as
> > > long as the 2nd is enabled in the BIOS. The only problems I've had is
> > > with the Firewire support, which worked for a moment then cause all
> > > kinds of problems. Are you sure that the 2nd nic is good?
> > 
> > No : I just bought the board a couple of days ago and did not
> > try anything else than fbsd on it.
> > 
> > That said, I looked again at the Block Diagram in the manual and
> > wonder whether they mean "second physical CPU"? I just
> > have one Opteron 285 installed for now (ordered a second one).
> > Do you have physically two CPUs installed? 
> 
> That would do it.  If you only have one CPU, then any device that should be
> connected to the second CPU will not work, since those devices are connected
> to the HyperTransport links the CPU provides - and without the CPU in place
> those devices are simply not connected to the rest of the board.

OK, I see. Thanx again for you help. 

Regards,

Arno