Warning: The key caps are moderately delicate. Please use gentle persuasion (or brute force *with* finesse) to perform this surgery.
I did these operation while the PowerBook was on and running. The reason for this is simple. If the PowerBook is in sleep (or off in the case of the PB100) then messing around with the keys will invariable turn it on. If you're squeamish about working on running hardware then you can
i) remove the battery (if you own a PB100) OR
ii) shut down the machine (for PB140/PB170 owners).
To remove a key cap...
a) Get a couple of lever type things (small flat head screwdrivers are good).
b) Insert one on each side (ie left and right looking from the front) of the key cap you wish to remove.
c) Lever up both sides simultaneously. Be careful that the key cap does not fly off into hyperspace. Also be careful that you do not apply too much force to the surrounding keycaps.
To reinsert a key cap...
a) Place key cap on key unit
b) Rotate the keycap so that the writing on the cap is the right way up
c) Push down gently until it locks in place
Repeat for all the keys you wish to swap. Obviously only some are compatible (ie don't go round swapping space and Q :-)
Quinn "The Eskimo!" <quinn@cs.uwa.oz.au> "Real Coke, Diet .sig"
Department of Computer Science, The University of Western Australia