The following excerpted prtconf(1M) command example displays all the devices in the system.
System Configuration: Sun Microsystems sun4u
Memory size: 128 Megabytes
System Peripherals (Software Nodes):
SUNW,Ultra-5_10
packages (driver not attached)
terminal-emulator (driver not attached)
deblocker (driver not attached)
obp-tftp (driver not attached)
disk-label (driver not attached)
SUNW,builtin-drivers (driver not attached)
sun-keyboard (driver not attached)
ufs-file-system (driver not attached)
chosen (driver not attached)
openprom (driver not attached)
client-services (driver not attached)
options, instance #0
aliases (driver not attached)
memory (driver not attached)
virtual-memory (driver not attached)
pci, instance #0
pci, instance #0
ebus, instance #0
auxio (driver not attached)
power, instance #0
SUNW,pll (driver not attached)
se, instance #0
su, instance #0
su, instance #1
ecpp (driver not attached)
fdthree, instance #0
eeprom (driver not attached)
flashprom (driver not attached)
SUNW,CS4231 (driver not attached)
network, instance #0
SUNW,m64B (driver not attached)
ide, instance #0
disk (driver not attached)
cdrom (driver not attached)
dad, instance #0
sd, instance #15
pci, instance #1
pci, instance #0
pci108e,1000 (driver not attached)
SUNW,hme, instance #1
SUNW,isptwo, instance #0
sd (driver not attached)
st (driver not attached)
sd, instance #0 (driver not attached)
sd, instance #1 (driver not attached)
sd, instance #2 (driver not attached)
...
SUNW,UltraSPARC-IIi (driver not attached)
SUNW,ffb, instance #0
pseudo, instance #0