TODO revision 1.10 
1Important things to make ACPI useful on more machines:
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3* Fix problems with ACPI_PCI_FIXUP.  CardBus slots do not work in some
4  machines currently.  (Affects many machines.)
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6* Import the ACPI Processor driver from FreeBSD or write our own.
7  This is useful for CPUs that supports _Px and _Cx states and helps
8  longer battery life.
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10- kochi, 2004/06/09
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