又从下面看到另外一个更多一些的解释
The processor support ACPI Performance States (P-States).The P-state referred to as P0 will be a request for Intel Burst Performance Technology (Intel BPT).Intel BPT opportunistically,and automatically,allows the processor to run faster than the marked frequency if the part is operating within the thermal design limits of the platform.Intel BPT mode provides more performance on demand without impacting or raising MID thermals.Intel BPT can be enabled or disabled by BIOS.