For host 2 as an example, this is what I got.
================================= IO Devices =================================
Bus Freq Slot + Name +
Type MHz Status Path Model
------ ---- ---------- ---------------------------- --------------------
pci 33 +s/system-board ebus/ns87317-ecpp (parallel)
okay /pci@8,700000/ebus@5/parallel
pci 33 +s/system-board ebus/se (serial)
okay /pci@8,700000/ebus@5/serial@1,400000
pci 33 +s/system-board pci108e,1101 (network) SUNW,pci-eri
okay /pci@8,700000/network@5,1
pci 33 +s/system-board pciclass,0c0010 (firewire)
okay /pci@8,700000/firewire@5,2
pci 33 +s/system-board scsi-pci1000,f (scsi-2)
okay /pci@8,700000/scsi
pci 33 +s/system-board scsi-pci1000,f (scsi-2)
okay /pci@8,700000/scsi
pci 33 +s/system-board SUNW,qlc-pci1077,2312 (scsi-+
okay /pci@8,700000/SUNW,qlc@2
pci 33 +s/system-board SUNW,qlc-pci1077,2312 (scsi-+
okay /pci@8,700000/SUNW,qlc@2,1
pci 33 +s/system-board pci108e,1000
okay /pci@8,700000/pci/pci108e,1000
pci 33 +s/system-board SUNW,qfe (network) SUNW,pci-qfe
okay /pci@8,700000/pci/SUNW,qfe
pci 33 +s/system-board pci108e,1000
okay /pci@8,700000/pci/pci108e,1000
pci 33 +s/system-board SUNW,qfe (network) SUNW,pci-qfe
okay /pci@8,700000/pci/SUNW,qfe
pci 33 +s/system-board pci108e,1000
okay /pci@8,700000/pci/pci108e,1000
pci 33 +s/system-board SUNW,qfe (network) SUNW,pci-qfe
okay /pci@8,700000/pci/SUNW,qfe
pci 33 +s/system-board pci108e,1000
okay /pci@8,700000/pci/pci108e,1000
pci 33 +s/system-board SUNW,qfe (network) SUNW,pci-qfe
okay /pci@8,700000/pci/SUNW,qfe
pci 66 +s/system-board SUNW,qlc-pci1077,2200 (scsi-+
okay /pci@8,600000/SUNW,qlc@4
pci 66 +s/system-board pci108e,2bad (network) SUNW,pci-gem
okay /pci@8,600000/network
upa 120 +em-board/J4501 SUNW,afb (display) SUNW,XXX-XXXX
okay /upa@8,480000/SUNW,afb@0,0