The following example shows generic names for devices under /pci@1f,4000/scsi@3:
ok ls f00809d8 tape f007ecdc disk
The command .speed shows the speed for the processor and busses attached to the system:
ok .speed CPU Speed : 200.00MHz UPA Speed : 100.00MHz PCI Bus A : 66Mhz PCI Bus B : 33Mhz