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CPU Frequency scaling ---> ACPI (Advanced Configuration and Power Interface) Support ---> [*] ACPI Support 这是一种电源管理方式，你可以看看你的BIOS是否支持。如果支持的话建议你选上这项 [ ] Sleep States (EXPERIMENTAL) < > AC Adapter < > Battery <*> Button 捕获Power、Sleep、Lid（我也不知道这是什么按钮）等按钮是否按下，并做相应的动作 <*> Video 集成在板上的显卡的ACPI支持，对有些板卡可能不起作用 < > Fan <*> Processor <*> Thermal Zone < > ASUS/Medion Laptop Extras < > IBM ThinkPad Laptop Extras < > Toshiba Laptop Extras (0) Disable ACPI for systems before Jan 1st this year [ ] Debug Statements [*] Power Management Timer Support APM (Advanced Power Management) BIOS Support ---> < > APM (Advanced Power Management) BIOS support 高级电源管理的支持，一般来说笔记本应该选上，台式机可以不选。 [ ] Ignore USER SUSPEND [*] Enable PM at boot time [ ] Make CPU Idle calls when idle [ ] Enable console blanking using APM [ ] RTC stores time in GMT 按Unix的标准，硬件的时钟应该设为格林威治时间 [ ] Allow interrupts during APM BIOS calls [*] Use real mode APM BIOS call to power off [*] CPU Frequency scaling 这一选项允许改变CPU的主频，使CPU在低负荷或使用电池时降低主频，达到省电的目的。 [ ] Enable CPUfreq debugging < > /proc/cpufreq interface (deprecated) Default CPUFreq governor (performance) ---> --- 'performance' governor <*> 'powersave' governor <*> 'userspace' governor for userspace frequency scaling [ ] /proc/sys/cpu/ interface (2.4. / OLD) <*> 'ondemand' cpufreq policy governor自动调节主频 <*> CPU frequency table helpers 多数的CPU需要这一项来调节主频 <*> ACPI Processor P-States driver 报告处理器的状态 < > AMD Mobile K6-2/K6-3 PowerNow! < > AMD Mobile Athlon/Duron PowerNow! < > AMD Opteron/Athlon64 PowerNow!
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