> 
> Does anyone know how i can 'map' my zs chip as Kapil suggested to me?
> (below)
> 
> I picked up the firmware books, but i'm still at a loss on how to do that.
> 
> I'm trying to boot netbsd and it freaks out when it can't map the zs
> chips in my ultra1/170e.
> 
> suggestions? 

I don't know the details, but Eduardo Horvath said to me:

>NB: there may be some OBP or H/W issues that need to be addressed in the
>kernel.  For instance, some versions of the OBP do not provide an address
>for zs0, which causes the kernel to panic.  

Have no clue as this otherwise.