Used an ethernet connection to extract this as per http://developer.apple.com/technotes/tn/tn2004.html.

PROPERTIES:
#address-cells          00000001 
#size-cells             00000001 
AAPL,add-fcode-file     xt=^ff86.3b58  
als-lgp-version         00000001 
clock-frequency         09ec5815 
compatible              PowerBook5,6
                        MacRISC3
                        Power Macintosh
                        
copyright               Copyright 1983-2004 Apple Computer, Inc. All Rights Reserved
customer-sw-config                 
device_type             bootrom
display-config-info     00000000 00000000 
graphics-setagressiveness 
model                   PowerBook5,6
name                    device-tree
pid#                    00003146 
platform-cpu-vcore-select /pci@f2000000/mac-io@17/gpio@50/cpu-vcore-select@1b
scb#                    00000001 
serial-number           SB7
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        W85100UTSB7
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
system-id               0000000000000

METHODS:
allow_desktop_mode              allow_headless_boot             close 
decode-unit     default_mirroring               dma-alloc       dma-free 
dma-map-in      dma-map-out     dma-sync        force_mirroring map-in 
map-out         no_strip_timing open 

/cpus
PROPERTIES:
#address-cells          00000001 
#interrupt-cells        00000002 
#size-cells             00000000 
name                    cpus

METHODS:
?cpu-probe#     close           cpu-info        cpu-params 
cpu-probe-code  cpu-probe?      cpu-vector      decode-unit     encode-unit 
open 

/cpus/PowerPC,G4@0
PROPERTIES:
altivec                 
available               00003000 7fffd000 d0000000 20000000 
bus-frequency           09ec5815 
clock-frequency         635750a4 
config-bus-frequency    09ef21aa 
cpu#                    00000000 
cpu-info                8410c0bc 80000000 80030102 00000000 00000000 00000000 
                        00000000 00000000 
cpu-version             80030102 
d-cache-block-size      00000020 
d-cache-sets            00000080 
d-cache-size            00008000 
data-streams            
dcba                    
dcbz                    00000020 
device_type             cpu
dynamic-power-step      
existing                00000000 80000000 80000000 80000000 
graphics                
i-cache-block-size      00000020 
i-cache-sets            00000080 
i-cache-size            00008000 
l2-cache                /cpus/PowerPC,G4@0/l2-cache
l2cr                    80000000 
name                    PowerPC,G4
                        
performance-monitor     
processor-to-bus-ratio*200000014 
recalced-clock-frequency633b70d2 
reg                     00000000  
reservation-granule-size00000020 
rounded-clock-frequency 633de240 
soft-reset              0000005b 
state                   running
timebase-frequency      01194000 
tlb-sets                00000040 
tlb-size                00000080 
translations            00000000 00003000 00000000 00000010 80000000 00080000 
                        80000000 00000028 a0001000 00001000 a0001000 00000028 
                        a0002000 00001000 a0002000 00000028 a0003000 00001000 
                        a0003000 00000028 f0000000 00010000 f0000000 00000028 
                        f0800000 00001000 f0800000 00000028 f0c00000 00001000 
                        f0c00000 00000028 f2000000 00010000 f2000000 00000028 
                        f2800000 00001000 f2800000 00000028 f2c00000 00001000 
                        f2c00000 00000028 f4000000 00010000 f4000000 00000028 
                        f4800000 00001000 f4800000 00000028 f4c00000 00001000 
                        f4c00000 00000028 f5000000 00001000 f5000000 00000028 
                        f5200000 00200000 f5200000 00000028 
                        ... 00000160 bytes total

METHODS:
claim           close           map             modify          open 
release         set-dfs-high    set-dfs-low     spd             translate 
unmap 

/cpus/PowerPC,G4@0/l2-cache
PROPERTIES:
cache-unified           
clock-frequency         635750a4 
d-cache-line-size       00000040 
d-cache-sets            00000200 
d-cache-size            00080000 
device_type             cache
i-cache-line-size       00000040 
i-cache-sets            00000200 
i-cache-size            00080000 
name                    l2-cache



/chosen
PROPERTIES:
bootargs                
bootpath                
cpu                     ihandle->/cpus/PowerPC,G4@0
mac-address             00112476 17b8
memory                  ihandle->/memory@0
mmu                     ihandle->/cpus/PowerPC,G4@0
name                    chosen
nvram                   ihandle->/nvram@fff04000
pmu                     ihandle->/pci@f2000000/mac-io@17/via-pmu@16000
stdin                   ihandle->/packages/telnet
stdout                  ihandle->/packages/telnet



/memory@0
PROPERTIES:
available               00003000 3fbed000 
device_type             memory
dimm-info               8008070d 0a024000 04607000 82080001 0e040c01 0220c075 
                        70000048 30482a40 80804545 00000000 003c4830 28500001 
                        00000000 00000000 00000000 0000101e 2cffffff ffffffff 
                        0c313656 44444636 34363448 472d3333 35473202 0005073f 
                        12c94500 00000000 00000000 00000000 00000000 00000000 
                        00000000 00000000 8008070d 0a024000 04607000 82080001 
                        0e040c01 0220c075 70000048 30482a40 80804545 00000000 
                        003c4830 28500001 00000000 00000000 00000000 0000101e 
                        2cffffff ffffffff 0c313656 44444636 34363448 472d3333 
                        35473202 0005073f 12c94600 00000000 00000000 00000000 
                        00000000 00000000 00000000 00000000 
dimm-speeds             PC2700U-25330
                        PC2700U-25330
dimm-types              DDR SDRAM
                        DDR SDRAM
name                    memory
ram-layout-architecture 00000000 
reg                     00000000  20000000 
                        20000000  20000000 
slot-names              00000003
                        SODIMM0/J25LOWER
                        SODIMM1/J25UPPER

METHODS:
claim           close           open            release 

/openprom
PROPERTIES:
boot-syntax             00000001 
device_type             BootROM
model                   OpenFirmware 3
name                    openprom
relative-addressing     
supports-bootinfo       



/openprom/client-services
PROPERTIES:
name                    client-services

METHODS:
boot            call-method     canon           child           cidebug? 
claim           close           enter           exit            finddevice 
getprop         getproplen      instance-to-package 
instance-to-path                interpret       logger          milliseconds 
nextprop        open            package-to-path parent          peer 
quiesce         read            release         seek            set-callback 
setprop         test            test-method     write 

/rom@ff800000
PROPERTIES:
#address-cells          00000001 
name                    rom
ranges                  ff800000  ff800000  00800000 
reg                     ff800000  00000000 

METHODS:
close           decode-unit     encode-unit     open 

/rom@ff800000/boot-rom@fff00000
PROPERTIES:
BootROM-build-date      01/21/05 at 10:51:16
BootROM-version         $0004.91f1
has-config-block        
hwi-flags               402a1260 
image                   00080000 
info                    fff00000 00003f00 000491f1 20050121 192803aa fff08000 
                        00078001 000491f1 20050121 9dfe55f7 fff80000 00080002 
                        000491f1 20050121 1c274751 fff03f00 00000083 000491f1 
                        20050121 f57f2983 fff03f80 00000084 7617b87b ffffffff 
                        ffffffff fff04000 00004005 6e767261 6d000000 00000000 
                        00000000 00000000 00000000 00000000 00000000 
model                   Apple PowerBook5,6 4.9.1f1 BootROM built on 01/21/05 at 10:51:16
name                    boot-rom
reg                     fff00000  00100000 
security-modes          none, full, command, no-password
write-characteristic    flash



/rom@ff800000/macos
PROPERTIES:
name                    macos



/options
PROPERTIES:
aapl,pci                2f406630 30303030 30302f40 3130ff01 4d564144 ff015c01 
                        829e3fff 8181030b 541a82ff 810180ff 818101eb 1f2d05ff 
                        810106ff 810210ff 81017003 560362ff 810101ff 81010303 
                        5605ff81 03196404 ff810105 40ff8101 18ff8101 8803ff81 
                        010326ff 810103ff 81010603 ff810104 ff81013c ff8101ff 0100
aapl,tdm-units          
auto-boot?              true
boot-args               
boot-command            mac-boot
boot-device             /pci@f4000000/ata-6@d/disk@0:2,\\:tbxi
boot-file               
boot-screen             screen
boot-script             
boot-volume             3
console-screen          screen
default-client-ip       
default-gateway-ip      
default-mac-address?    false
default-router-ip       
default-server-ip       
default-subnet-mask     
diag-device             enet
diag-file               ,diags
diag-switch?            false
fcode-debug?            false
gmt-offset              0
input-device            keyboard
input-device-1          /ipc
little-endian?          false
load-base               0x800000
logger-base             -1
logger-size             -1
mouse-device            mouse
name                    options
nvramrc                 
oem-banner              
oem-banner?             false
oem-logo                
oem-logo?               false
output-device           screen
output-device-1         /ipc
pci-probe-mask          -1
ram-size                0x40000000
real-base               -1
real-mode?              false
real-size               -1
screen-#columns         100
screen-#rows            40
scroll-lock             false
selftest-#megs          0
skip-netboot?           false
use-generic?            false
use-nvramrc?            false
virt-base               -1
virt-size               -1



/aliases
PROPERTIES:
agp                     /pci@f0000000
cb                      /pci@f2000000/cardbus@13
cd                      /pci@f2000000/mac-io@17/ata-3@20000/disk@0
cpu0                    /cpus/@0
cpu1                    /cpus/@1
eject-key               /pseudo-hid/eject-key
enet                    /pci@f4000000/ethernet
fan                     /uni-n/i2c/i2c-bus@1/fan
first-boot              /pci@f4000000/ata-6@d/disk
fw                      /pci@f4000000/firewire
hd                      /pci@f4000000/ata-6@d/disk@0
ide0                    /pci@f2000000/mac-io@17/ata-3@20000/disk@0
ide1                    /pci@f2000000/mac-io@17/ata-3@20000/disk@1
keyboard                /pseudo-hid/keyboard
ki2c                    /pci@f2000000/mac-io@17/i2c
ki2c-serial             /pci@f2000000/mac-io@17/i2c/cereal
last-boot               /pci@f4000000/ethernet
mac-io                  /pci@f2000000/mac-io@17
mouse                   /pseudo-hid/mouse
mpic                    /pci@f2000000/mac-io@17/interrupt-controller
name                    aliases
nvram                   /nvram
pci                     /pci@f2000000
pci0                    /pci@f0000000
pci1                    /pci@f2000000
pci2                    /pci@f4000000
pi2c                    /pci@f2000000/mac-io@17/via-pmu/pmu-i2c
rtc                     /pci@f2000000/mac-io@17/via-pmu/rtc
scca                    /pci@f2000000/mac-io@17/escc/ch-a
sccb                    /pci@f2000000/mac-io@17/escc/ch-b
screen                  /pci@f0000000/ATY,JasperParent@10/ATY,Jasper_A@0
second-boot             /pci@f2000000/mac-io@17/ata-3@20000/disk
sound                   /pseudo-sound
ui2c                    /uni-n/i2c
ui2c-serial             /uni-n/i2c/cereal
ultra0                  /pci@f2000000/mac-io@17/ata-4@1f000/disk@0
ultra1                  /pci@f2000000/mac-io@17/ata-4@1f000/disk@1
uni-n                   /uni-n
usb-1a                  /pci@f2000000/@18
usb-1b                  /pci@f2000000/@19
usb-1c                  /pci@f2000000/@1a
usb-2a                  /pci@f2000000/@1b
usb-2b                  /pci@f2000000/@1b,1
usb-2c                  /pci@f2000000/@1b,2
usb0                    /pci@f2000000/usb@1b,1
usb1                    /pci@f2000000/usb@1b
usb2                    /pci@f2000000/usb@1a
via-pmu                 /pci@f2000000/mac-io@17/via-pmu
wireless                /pci@f2000000/pci80211@12

METHODS:
aliases-adb     aliases-arrangeboot             aliases-cardbus 
aliases-common  aliases-direct-macio            aliases-fiesta 
aliases-grizzlys                aliases-highfidelity 
aliases-mlb-bridge              aliases-mojave  aliases-nectar  aliases-orion 
aliases-pismo   aliases-platform-specific       aliases-q59     aliases-q86 
aliases-q88group                aliases-special aliases-vsp 

/packages
PROPERTIES:
name                    packages



/packages/deblocker
PROPERTIES:
name                    deblocker

METHODS:
close           dma-alloc       dma-free        empty-buffers   open 
read            seek            write 

/packages/disk-label
PROPERTIES:
name                    disk-label

METHODS:
block-size      close           dma-alloc       dma-free        eject 
file-str        load            max-transfer    offset          open 
part-str        read-blocks     set-offset      write-blocks 

/packages/obp-tftp
PROPERTIES:
log                     00006ca5 00000000 00000000 0000000f ffbc91f0 74656c6e 
                        65742c31 302e302e 302e3400 00000000 00000000 00000000 
                        00000000 00000000 0