I kept having frequent and random system freezes after sleep in my PB G4 1.67 DL (the very last of the PB G4) after replacing the HD with an ssd.
Sinvce I recall the 1.67 having a special cable to connect to drive to the logic board I decided to see how a PowerBook G4 1.5 of the previous generation behaved.
Well now it's been two months of use and the 1.5 GHz with the same ssd, simply swapped from the 1.67, has never crashed.
Hybernate mode set to 0 in both.
So it is interesting to see if playing with some combinations of cables (the specific for the 1.67 and the generic for older PB G4) and master/slave jumpers help.
Any thoughts to further investigate the matter?