>My personal pref is to get all FPM or all EDO.  Supposedly it doesn't 
>matter tho - the controller in the 7300 just downgrades to EDO to act 
>like FPM. I'd at least make sure the pairs are matched, so 
>interleaving will work.

The controller always uses FPM.

The Mac cannot determine whether a stick is EDO or FPM.

You may interleave an FPM stick and an EDO stick ... the Mac will accept 
them just fine.

The limitation is this: in order to be interleavable, the sticks must be 
the same capacity and must have the same organization.

Some sticks are specially designed to appear to be organized differently. 
These have been occasionally termed "converted".

A PAL (or other) chip decodes the address lines so the DRAM chips are 
accessed as if they were differently organized.

For these sticks, interleaving should be OK, too, but I have not 
subjected this to a rigorous test as it is my policy to stuff related 
slots with sticks from the same production run, thereby implicitly 
forcing interleaving.

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