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Which Pentium-Ms and Powerbooks use PC2100, PC2700, PC3200?

post #1 of 3
5/10/05 at 2:43pm
Thread Starter 
I am getting too many contradictory google results.

Does anybody know which Pentium-M notebooks precisely want which speed of RAM? Is that chipset/mainboard/evendor-dependent? I need it for a 1.3 GHz Pentium-M Thinkpad R40.

Also, I have seen that for Powerbooks you need PC2100 up to the early 1 GHz models and PC2700 for the later 1 GHZ and up, is that true?

What happens if I mix them?

Thanks
Martin
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post #2 of 3
5/10/05 at 8:46pm
It depends on the chipset. For example, Pentium-M processors that run on Intel's 855pm chipset support PC2700 speeds max. Of course it will still work with lower speed memory (PC2100), but performance will be lower. It will also work with higher speed memory (PC3200), but it will simply clock it the same as PC2700... so you won't get any performance advantage. For different chipsets, look on intel's website.

For powerbooks, I have no clue... Apple's website/support section should have the answers to your questions.
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post #3 of 3
5/11/05 at 1:55am
It should be the same with PowerBooks. Faster memory will run the speed that the motherboard is designed for and slower memory will run the speed of the memory.
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