Here is the device tree with properties of a G3 iMac:
G3 iMac Device tree
0 > dev / ok 0 > ls ff83d640: /cpus ff83d8f0: /PowerPC,750@0 ff83dcb0: /l2-cache ff83e930: /chosen ff83eb48: /memory@0 ff83ede8: /openprom ff83ef90: /client-services ff840280: /rom@ff800000 ff840480: /boot-rom@fff00000 ff8406b0: /macos ff8407b8: /options ff8408c0: /aliases ff8413a8: /packages ff841488: /deblocker ff841e20: /disk-label ff8428e8: /obp-tftp ff84c1c8: /telnet ff84cac8: /mac-parts ff84e270: /mac-files ff851128: /hfs-plus-files ff855f48: /fat-files ff857d40: /iso-9660-files ff858ba0: /bootinfo-loader ff85a878: /xcoff-loader ff85b310: /pe-loader ff85bd60: /elf-loader ff85d408: /usb-hid-class ff85ff48: /usb-ms-class ff862b98: /usb-audio-class ff8d0710: /sbp2-disk ff8d30b0: /ata-disk ff8d4e18: /atapi-disk ff8d6d60: /bootpath-search ff8dd6f0: /terminal-emulator ff8dd800: /firewire-disk-mode ff8f20b8: /pseudo-hid ff8f21b8: /keyboard ff8f28b0: /mouse ff8f2e48: /eject-key ff8f3318: /pseudo-sound ff8f3648: /multiboot ff906638: /diagnostics ff906718: /nvram@fff04000 ff907318: /uni-n@f8000000 ff9075e0: /i2c@f8001000 ff907ea8: /cereal ff9085d8: /pci@f0000000 ff943eb0: /uni-north-agp@b ff944198: /ATY,Rage128Pk@10 ff94ce58: /ivad@0 ff909748: /pci@f2000000 ff90ba48: /mac-io@17 ff90fa00: /interrupt-controller@40000 ff90fc50: /gpio@50 ff90fdb8: /extint-gpio1 ff90ffd8: /programmer-switch ff910188: /escc-legacy@12000 ff9103f8: /ch-a@12004 ff9105f8: /ch-b@12000 ff9107f8: /escc@13000 ff910a80: /ch-a@13020 ff9114a8: /ch-b@13000 ff911e40: /davbus@14000 ff912178: /sound ff912a08: /timer@15000 ff912c18: /via-pmu@16000 ff9161f0: /rtc ff916960: /power-mgt ff94d030: /usb-power-mgt ff916c48: /i2c@18000 ff917550: /cereal ff94cb00: /i2c-modem ff917c98: /ata-4@1f000 ff91a508: /disk ff91ac68: /ata-3@20000 ff91d4d8: /disk ff91dc38: /ata-3@21000 ff9204a8: /disk ff920b50: /radio@30000 ff927190: /usb@18 ff94b9e8: /hub@1 ff94bbf0: /device@2 ff94bd68: /interface@0 ff94bf28: /mouse@3 ff92ee18: /usb@19 ff94af48: /hub@1 ff94b150: /device@1 ff94b2c8: /keyboard@0 ff94b658: /eject-key@1 ff90a8d0: /pci@f4000000 ff936bc0: /firewire@e ff93f4a8: /ethernet@f ff94d1f0: /ethernet-phy
0 > .properties model PowerMac2,2 compatible PowerMac2,2 MacRISC2 MacRISC Power Macintosh serial-number <removed>
customer-sw-config color-code 0000 scb# 00000000 theater-mode name device-tree copyright Copyright 1983-2001 Apple Computer, Inc. All Rights Reserved device_type bootrom system-id 0000000000000 #address-cells 00000001 #size-cells 00000001 clock-frequency 05f3e279 AAPL,add-fcode-file ff81f498