alippman at optonline.net said: >Anyone know if its possible to overclock the processor on my Powerbook >G4 867 /640 Select Powerbook G4 at this page: <http://forums.xlr8yourmac.com/ cpureview.lasso> I wouldn't risk it myself unless I had the means to get a backup machine in my hands quickly. The margins with the TiBooks are very small when it comes to overclocking. You could be very unlucky. > or at least allow it to use much more ram (like 2gb instead >of 640 mb) The TiBook 867 can address 1.0GB of RAM to the best of my knowledge (2 x 512). Can this be enough? >, i need it for some heavy video work and i cant afford a new >computer right now. What kind of heavy video work? After Effects? Other applications? Usually, pure video editing does make its toll on the IO-processes, like disk access, rather than the CPU. Please describe your objective a little bit more clearly.