Specifications

BIOS Updates and Configuration
Intel
®
Server System SR1670HV Service Guide 59
6.3.4.1.4 Intel
®
Virtualization Tech [Enabled]
The Intel
®
Virtualization Technology allows a hardware platform to run multiple operating
systems separately and simultaneously, enabling one system to virtually function as
several systems.
Configuration options: [Disabled] [Enabled]
6.3.4.1.5 CPU TM Function [Enabled]
This function enables the overheated CPU to throttle the clock speed to cool down.
Configuration options: [Disabled] [Enabled]
6.3.4.1.6 Execute-Disable Bit Capability [Enabled]
Allows you to enable or disable the No-Execution Page Protection Technology. Setting
this item to [Disabled] forces the XD feature flag to always return to zero (0).
Configuration options: [Disabled] [Enabled]
6.3.4.1.7 Intel
®
HT Technology [Enabled]
Allows you to enable or disable the Intel
®
Hyper-Threading Technology function. When
disabled, only one thread per activated core is enabled.
Configuration options: [Enabled] [Disabled]
6.3.4.1.8 Active Processor Cores [All]
Allows you to select the number of CPU cores to activate in each processor package.
Configuration options: [All] [1] [2]
6.3.4.1.9 A20M [Disabled]
Legacy operating systems and APs may need A20M enabled.
Configuration options: [Disabled] [Enabled]
6.3.4.1.10 DCU Mode [32KB 8-way without]
Allows you to select the mode for the Data Cache.
Configuration options: [32KB 8-way without ECC] [16KB 4-way with ECC]
6.3.4.1.11 DCA Prefetch Delay [32]
Allows you to select the time delay in bus clocks from snoop to prefetch.
Configuration options: [8] [16] [24] [32] [40]—[104] [112] [120]
6.3.4.1.12 Intel
®
SpeedStep (TM) Tech [Enabled]
When set to [Disabled], the CPU runs at its default speed. When set to [Enabled], the CPU
speed is controlled by the operating system.
Configuration options: [Disabled] [Enabled]
6.3.4.1.13 Intel TurboMode Tech [Enabled]
When enabled, Turbo Mode allows processor cores to run faster than its marked
frequency in certain conditions.