On Sat, Aug 07, 2004 at 03:23:35PM -0600, Nancy Spoolman wrote: : : We ordered a 512 MB Chip for my Powerbook G4, 1.33 GHz from CDW. I : usually buy my personal RAM from Other World Computing and have never : had a problem. However, our district seems to want to buy from CDW. I : just installed the 2nd chip we received (first one locked the computer : up) and this one locks up, also. It says it's a SimpleTech chip and : that it's 2700 DDR for a Powerbook. Has anyone else experienced this : with their Powerbook. I just wonder if it's not a proprietary thing and : one has to put in Apple's RAM, which is far too expensive. I really : need the extra RAM! It has 512, but I certainly could use some more. All RAM is 3rd-party RAM. Some RAM modules are more compliant to Apple's standards than other RAM modules. Just make sure that CDW has a complete lifetime replacement warranty on your PowerBook's RAM. -- Eugene Lee http://www.coxar.pwp.blueyonder.co.uk/