Hi Popkorn - looks like I was having a bad day yesterday, rushing around doing too many things Ooops!.
1f,2000 is Slot 1 -my apologies.
Here is a list of device paths for the Ultra80:-
Ultra 80, 420R, NETRA t 1400/1405
PCI Slot 1 /pci@1f,2000/<device>@1,*...