Maximizing Battery Life

[otprof]

Newbie alert!  

I noticed that as of now with the Linux 2.6 kernel, OZ is installed on the microdrive (as is pdaXrom and OpenBSD, if I am not mistaken).  Cacko, however, is still installed in RAM, correct?  Or, at least the basic core of it in Cacko lite, with additional packages elsewhere?  Am I on the right track here?

My impression is that this would extend battery life because the Microdrive does not have to be working all of the time for basic OS operations.  I have looked around for battery life comparisons with no success.  Does anyone here have a sense of the relative battery life among the distros?

[InSearchOf]

Newbie alert!   

I noticed that as of now with the Linux 2.6 kernel, OZ is installed on the microdrive (as is pdaXrom and OpenBSD, if I am not mistaken).  Cacko, however, is still installed in RAM, correct?  Or, at least the basic core of it in Cacko lite, with additional packages elsewhere?  Am I on the right track here?

My impression is that this would extend battery life because the Microdrive does not have to be working all of the time for basic OS operations.  I have looked around for battery life comparisons with no success.  Does anyone here have a sense of the relative battery life among the distros?
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pdaXrom is still installed to the NAND except SL-C3000...

OpenBSD to my knowledge is completely installed to MD...