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这一选项针对x86系列的CPU使用更多的常规优化。如果你在上面一项选的是i386、i586之类的才选这个
[*] HPET Timer Support
HPET是替代8254芯片的下一代时钟处理器。这里你可以安全的选上这一选项。如果硬件不支持的话，将仍使用8254时钟处理器
[*] Symmetric multi-processing support
对称多处理器支持，在单CPU的机器上，不选这个选项会更快一些。由于超线程技术，看起来是两颗CPU，因些要选上这个选项
(1) Maximum number of CPUs (2-255) 支持的最大CPU数
[ ] SMT (Hyperthreading) scheduler support
[*] Preemptible Kernel
这个选项能使应用程序即使内核在高负载时也很可靠，建议最好选上
[*] Machine Check Exception
这个选项能让CPU检测到系统故障时通知内核，一般我用组装的台式机会选这项。
< > Toshiba Laptop support
< > Dell laptop support
< > /dev/cpu/microcode - Intel IA32 CPU microcode support
< > /dev/cpu/*/msr - Model-specific register support
< > /dev/cpu/*/cpuid - CPU information support
Firmware Drivers --->
< > BIOS Enhanced Disk Drive calls determine boot disk (EXPERIMENTAL)
High Memory Support (4GB) --->
[ ] Allocate 3rd-level pagetables from highmem
[ ] Math emulation
[*] MTRR (Memory Type Range Register) support
[ ] Boot from EFI support (EXPERIMENTAL)
[*] Enable kernel irq balancing
[ ] Use register arguments (EXPERIMENTAL)
电源管理：
Power management options (ACPI, APM) --->
[*] Power Management support
[ ] Power Management Debug Support
[ ] Software Suspend (EXPERIMENTAL)
ACPI (Advanced Configuration and Power Interface) Support --->
APM (Advanced Power Management) BIOS Support --->
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
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