Dell Precision R5500 Owner's Manual page 60

Performance
Hyper-Threading Technology
Intel TurboBoost
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
System Password
Password Changes
TPM Security
60 System Setup
Enable Multi Core Support — Enabled by default.
Enables or disables the Hyper-Threading Technology.
Enable Hyper-Threading Technology — Disabled by default.
Enables or disables the Intel TurboBoost mode of the processor.
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
2. New Password
3. Re-enter the new password
Used to prohibit an unauthorized user from booting. Enter the following details and click OK.
1. Enter the old password — If the password is not set, the 'Enter the old password' field will not be
set.
2. Enter the new password
3. Re-enter the password
Controls the interaction between the system password and the administrator password.
Enable Password Changes (enabled by default)
Controls whether the Trusted Platform Module (TPM) in the system is enabled and visible to the
operating system. When enabled, the BIOS will turn on the TPM during POST so that it can be used
by the operating system.