On 3/12/03 10:05 AM, "Kynan Shook" <kshook at mac.com> wrote: > luke <etyrnal at ameritech.net> writes: >> PC133 for sure - the system bus is 100, but mine came from apple w/ >> pc133 in it... >> also the 100mhz motherboard iMac i just got has pc133 from the factory >> too... > > Actually, it doesn't need PC133. Apple shipped it with PC133 because > it's cheaper and easier to only have one speed of RAM installed in all > shipping PowerBooks. Also, by the time those models started shipping, > PC100 was sometimes more expensive than PC133, and often rarer since > pretty much any computer that needs PC100 can use PC133. The 100 MHz > flat panel iMac DOES require PC133 though, for whatever reason. > Of course, don't ask me why the 12" PowerBook is shipped with PC2100 > and not PC2700 DDR since that's what the 17" uses... Maybe the price > difference between those is big enough, or they decided that there > wouldn't be any confusion between the two when service providers are > replacing parts because they're different form factors. > Good luck trying to find the proper PC100 RAM. You ~have~ to get PC133.