Jetway Computer NC9BU - Manual (Page 30)

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CIR Wakeup
Use this item to enable or disable CIR wakeup.
PS2 KB/MS Wakeup
Use this item to enable or disable PS2 KB/MS wakeup function.
► CPU Configuration
Hyper-Threading
The optional settings are: [Disabled]; [Enhanced].
Active Processor Cores
Use this item to select number of cores to enable in each processor package.
Limit CPUIO Maximum
This item should be set as [Disabled] for Windows XP.
Execute Disable Bit
XD can prevent certain classes of malicious buffer overflow attacks when
combined with a supporting OS (Windows Server 2003 SP1, Windows XP SP2,
SuSE Linux 9.2, RedHat Enterprise 3 Update3.)
The optional settings are: [Disabled]; [Enhanced].
Hardware Prefetcher
Use this item to turn on/off the MLC streamer prefetcher.
Adjacent Cache Line Prefetch
Use this item to turn on/off prefetching of adjacent cache lines.
Intel Virtualization Technology
The optional settings: [Enabled]; [Disabled].
When set as [Enabled], a VHM can utilize the additional hareware capabilities
provided by Vanderpool Technology.
Local x 2APIC
Use this item to enable or disable Local x 2APIC，some OSes do not support this.