User`s guide

Contents
007-5782-001 ix
Power Configuration . . . . . . . . . . . . . . . . . . . . . 69
Power Button Function . . . . . . . . . . . . . . . . . . . 69
Restore on AC Power Loss . . . . . . . . . . . . . . . . . . 69
Watch Dog Timer . . . . . . . . . . . . . . . . . . . . . 69
Processor and Clock Options . . . . . . . . . . . . . . . . . . . 70
Ratio CMOS Setting . . . . . . . . . . . . . . . . . . . . 70
C1E Support . . . . . . . . . . . . . . . . . . . . . . 70
Hardware Prefetcher (Available when supported by the CPU) . . . . . . . . . 70
Adjacent Cache Line Prefetch (Available when supported by the CPU) . . . . . . . 70
MPS and ACPI MADT Ordering . . . . . . . . . . . . . . . . . 70
Max CPUID Value Limit (Available when supported by the CPU) . . . . . . . . 71
Intel Virtualization Technology (Available when supported by the CPU) . . . . . . 71
Execute-Disable Bit Capability (Available when supported by the OS and the CPU) . . . 71
Simultaneous Multi-Threading (Available when supported by the CPU). . . . . . . 71
Active Processor Cores . . . . . . . . . . . . . . . . . . . 71
Intel EIST Technology. . . . . . . . . . . . . . . . . . . . 71
Intel TurboMode Technology (Available when Intel EIST Technology is enabled) . . . . 72
Intel C-STATE Tech . . . . . . . . . . . . . . . . . . . . 72
C-State package limit setting (Available when Intel® C-State Tech is enabled) . . . . . 72
C1 Auto Demotion. . . . . . . . . . . . . . . . . . . . . 72
C3 Auto Demotion. . . . . . . . . . . . . . . . . . . . . 72
Clock Spread Spectrum . . . . . . . . . . . . . . . . . . . 72
Advanced Chipset Control . . . . . . . . . . . . . . . . . . . . 73
CPU Bridge Configuration. . . . . . . . . . . . . . . . . . . 73
North Bridge Configuration . . . . . . . . . . . . . . . . . . . 75
Crystal Beach/Direct Memory Access (DMA) . . . . . . . . . . . . . 75
Crystal Beach/ Direct Cache Access (DCA) . . . . . . . . . . . . . . 75
Payload Size . . . . . . . . . . . . . . . . . . . . . . 75
Intel VT-d . . . . . . . . . . . . . . . . . . . . . . . 76
Active State Power Management . . . . . . . . . . . . . . . . . 76
SouthBridge Configuration . . . . . . . . . . . . . . . . . . . . 76
USB Functions. . . . . . . . . . . . . . . . . . . . . . 76
Legacy USB Support . . . . . . . . . . . . . . . . . . . . 76