2 system agent configuration, System agent configuration -34, Active processor cores [all – Asus ESC1000 G2 User Manual
Page 116: Limit cpuid maximum [disabled, Execute disable bit [enabled, Intel virtualization tech [enabled

4-34
Chapter 4: BIOS setup
Active Processor Cores [All]
Allows you to choose the number of CPU cores to activate in each processor package.
Configuration options: [All] [1] [2] [3] [4] [5] [6] [7]
Limit CPUID Maximum [Disabled]
[Enabled]
Allows legacy operating systems to boot even without support for CPUs
with extended CPUID functions.
[Disabled]
Disables this function (for Windows XP).
Execute Disable Bit [Enabled]
[Enabled]
Enables the No-Execution Page Protection Technology.
[Disabled]
Forces the XD feature flag to always return to zero (0).
Intel Virtualization Tech [Enabled]
[Enabled]
Allows a hardware platform to run multiple operating systems separately
and simultaneously, enabling one system to virtually function as several
systems.
[Disabled]
Disables this function.
4.5.2
System Agent Configuration
Main
Ai Tweaker
Advanced
Monitor
Boot
Tool
Exit
Select target link speed Gen1, Gen2
and Gen3
Back
Advanced\
System Agent Configuration >
UEFI BIOS Utility - Advanced Mode
PCIEX16_1/2 Link speed
GEN3
PCIEX16_4/8 Link speed
GEN3
PCIEX16_3/5 Link speed
GEN3
PCIEX16_1/2 Link speed [GEN3]
Allows you to select the target link speed.
Configuration options: [GEN1] [GEN2] [GEN3]
PCIEX16_4/6 Link speed [GEN3]
Allows you to select the target link speed.
Configuration options: [GEN1] [GEN2] [GEN3]
PCIEX16_3/5 Link speed [GEN3]
Allows you to select the target link speed.
Configuration options: [GEN1] [GEN2] [GEN3]