1.Introduce ACPI capabilities under linux 2.Introduce how to compile and install linux kernel with ACPI support . 3.Introduce ACPI power state and ACPI tables 4.Introduce CPU management under ACPI. 5.Introduce Linux suspend to ram and how to debug A
you can understand the ACPI for Linux. About ACPI technology , if you want to know the acpi blow 要想改变处理器的频率和电压，OS可以有两种方式：1, 直接写本地的MSR寄存 器(Model-Specific Registers)，也可以访问一个I/O地址。 这二者的效率相差很大，访 问IO地址的方式要差很多，特别是它有可能trap到SMM状态。
ACPI 5.0 Specification , 開發BIOS必備文檔 The Advanced Configuration and Power Interface Specification, Revision 5.0 describes the structures and mechanisms necessary to design operating system-directed power management and make advanced configuration arc
