Hello,

> > ok, so I should just get the cache.. wonder if I can check that
> > somehow.
> 
> In OF, 
> 
> dev /cpu/PowerPC,604 .properties
> 
> it might not have the /cpu prefix, as this depends on the version of OF.
> The properties may have an l2-config node. If it does, OF is handling
> it. If not, it's probably always on.

Makes sense - since Apple made them and the board is specifically intended to run with CPU modules with L2 cache OF should know. 

have fun
Michael