在FADT table中有个字段prederred_PM_profile,在SPEC中是如下叙述的* M$ @5 V6 s' n7 H& Z6 l
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This field is set by the OEM to convey the preferred power ' ]( T- e5 x1 s/ ~
management profile to OSPM. OSPM can use this field to set ) j& [; A8 L8 G D8 ?3 qdefault power management policy parameters during OS . P7 s) v5 P8 y; u
installation. y. j6 x t; R5 t, L9 S# j
但是在实作中,确感觉不到这个有什么差异,有哪个兄弟清楚不?