Dell Precision R5500 Owner's Manual page 72

Performance
Intel SpeedStep
C States Control
Hardware
Prefetcher
Adjacent Cache
Line Prefetch
Limit CPUID Value
Memory Node
Interleaving
Virtualization Support
Virtualization
VT for Direct I/O
Security
Administrator
Password
72
Enable Intel Turbo Boost Technology — Enabled by default
Enables or disables the Intel SpeedStep mode of the processor.
Enable Intel SpeedStep — Enabled by default
Enables or disables additional processor sleep states.
C States Control — Enabled by default
When enabled, it will automatically prefetch data and code for
the processor.
Enable Hardware Prefetcher — Enabled by default
When enabled, the processor will retrieve the current and
subsequent cache line.
Enable Adjacent Cache Line Prefetch — Enabled by default
When enabled, limits the maximum value the processor Standard
CPUID Function will support.
Enable CPUID Limit — Disabled by default
Controls how many system memory distributed between physical
processors is configured and reported to the operating system.
• SMP (default)
• NUMA
Specifies whether a Virtual Machine Monitor (VMM) can
utilize the additional hardware capabilities provided by Intel
Virtualization Technology.
Enable Intel® Virtualization Technology - Enabled by default.
Specifies whether a Virtual Machine Monitor (VMM) can
utilize additional hardware capabilities provided by Intel
Virtualization technology for direct I/O.
Enable Intel® VT for Direct I/O - Disabled by default.
Used to prohibit an unauthorized user from changing any
configuration settings. Enter the following details and click OK:
1. Old Password