If you want to store your fix so that it survive to reboot, you can store it in the nvramrc which is an NVRAM location reserved for user-defined commands used during system initialization.
nvedit let you edit the nvramrc, then you type the command you want to run at each boot time (that would be your script except the reboot part otherwise you would find yourself in a constant reboot loop ;)
then you add unselect
then type ctrl+c to exit the editor
then nvstore will store your code into the nvramrc, then you should tell your computer to run the command you have typed at each boot time by telling it to use the nvramrc (setenv use-nvramrc? true) then the reset-all command will reboot your mac.. so that's what you should type in the open firmware prompt :

nvedit

0 encode-int 10000000 encode-int encode+
10000000 encode-int 40000000 encode-int encode+
encode+
" reg" delete-property
" reg" property

unselect

<ctrl-c>

nvstore

setenv use-nvramrc? true

reset-all


In case you want to return to your original configuration all you have to do is reset your nvram. This is usually done by pressing the Command-Option-P-R keys while you turn on your computer until the start sound chimes again.
I haven't try your script because I don't have a powerbook, but I did used the same technique to enable the extended desktop on my old ibook see : [link:http://www.rutemoeller.com/mp/ibook/ibook_e.html] for reference.

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the original hint works great. gives me back my lower slot. however, doing the nvedit stuff isn't working. i'm pretty sure i'm entering everything as written, but when it reboots, no lower slot again. has anyone else gotten this to work?


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