12282007, 10:56 PM
the 64megs x 72 is the width and depth of each module, it's mostly for the maths..
if you have 64 by 64, you times those together and divide by 8 to get your ram size.
if you have 64 by 72, you times those together and divide by 9 to get your ram size.
if crucial recommends 64 by 64 then get that, as i believe from the calculations that there is an extra module, so there is a good chance that 64 x 72 ram won't work.
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