MacBooks

Question

400 RAM speed for iBook 1.33 ok?

by Josel / January 10, 2012 3:20 AM PST

I have a
1.33 GHz
12-inch
512 RAM
(A1133) iBook
which is supposed to use
<span id="INSERTION_MARKER">PC-2100 DDR 266 200-pin SO-DIMM RAM modules.
<span id="INSERTION_MARKER">

<span id="INSERTION_MARKER">I have found out that it can also take PC-2700 333 (running at 266),
<span id="INSERTION_MARKER">

<span id="INSERTION_MARKER">but I have been offered a module that runs at 400. Does anybody know whether it would work / damage the laptop if used?
<span id="INSERTION_MARKER">

<span id="INSERTION_MARKER">Thanks (I am not an expert in this field at all)

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All Answers

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Answer
Should be fine.
by R. Proffitt Forum moderator / January 10, 2012 3:31 AM PST

It's always be fine to have higher speed or better than the spec parts. Not much has happened to change that advice for close to a few centuries now.

There are some other dozen parameters such as page sizes and such but speed is an easy one.
Bob

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Answer
The main thing
by Jimmy Greystone / January 10, 2012 11:43 AM PST

The main thing is that it's the same basic type of RAM. DDR, DDR2, DDR3, etc. Beyond that, I've never come across a system where it can't handle faster RAM, since the RAM is always able to operate at a lower speed.

The one possible issue you'll run into is that the iBook simply can't handle a higher density module (which I assume the DDR-400 module is, else why bother). So, whether or not the new module will work you'll just have to try it and see. If the unit boots and runs, then bonus, but if not, just put the original module back and you should be fine. Just use your basic ESD avoidance methods (google it if you need a refresher) to avoid damaging the modules while swapping them.

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