NEXCOM NViS 6220 User Manual

Page 65

NViS 6210 / 6220 User Manual

Chapter 3: System Setup

Limit CPUID Maximum

The CPUID instruction of some newer CPUs will return a value greater
than 3. The default is Disabled because this problem does not exist in the
Windows series operating systems. If you are using an operating system
other than Windows, this problem may occur. To avoid this problem,
enable this field to limit the return value to 3 or lesser than 3.

Execute Disable Bit

When this field is set to Disabled, it will force the XD feature flag to always
return to 0. 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 Update 3.)

Hardware Prefetcher

Tuns on or off the Mid level Cache (L2) streamer prefetcher. The options
are Enabled and Disabled.

Adjacent Cache Line Prefetch

Turns on or off prefetching of adjacent cache lines. The options are
Enabled and Disabled.

Intel Virtualization Technology

When this field is set to Enabled, the VMM can utilize the additional
hardware capabilities provided by Vanderpool Technology.

Power Technology

Configures the power management features.

Local x2APIC

Enables or disables the Local x2APIC. Some OSs doesn’t support this
feature.

Long Duration Power Limit

Configures the long duration power limit in Watts.

Long Duration Maintained

Time window when the long duration power is maintained.

Short Duration Power Limit

Configures the short duration power limit in Watts.