[nsp] 7200 NPE-G1 and GE performance

[Tomas Daniska]

> > Bandwidth
> > The NPE-G1 uses no bandwidth points, and when used with any 
> I/O controller,
> > the I/O controller also uses no bandwidth points. None of 
> the Gigabit
> > Ethernet interfaces on the NPE-G1 use bandwidth points.
> 
> Thanks.  Amazing that - didn't know the backplane 
> architecture would let 
> them actually do that :-)
> 


actually there are three pci buses on npe-g1

one for the left column of slots
one for the right one
one for the i/o controller slot

and the three on-board ge ports are connected directly to the cpu bus
(thus not wasting bandwith points of the backplane pci buses)

--

deejay