Advanced Cpu Control Submenu - Seco Udoo X86 User Manual

4.5.1 Advanced CPU control submenu

Menu Item Options
Use XD Capability Enabled / Disabled
Limit CPUID Max Value Enabled / Disabled
Bi-Directional PROCHOT# Enabled / Disabled
VTX-2 Enabled / Disabled
TM1 Enabled / Disabled
Active Processor Cores 1 / 2/ 3 / ALL
P-States (IST) Enabled / Disabled
Max Performance
Boot Performance Mode Max Battery
Auto
Turbo Mode Auto / Enabled / Disabled
C-States Enabled / Disabled
Enhanced C-States Enabled / Disabled
Max C-States C1 / C6 / C7
X86
UDOO X86 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.B. - Reviewed by M.B. Copyright © 2017 SECO S.r.l.
Description
Enable or disable processor XD (Execute Disable) capability, it allows to enable or disable the hardware
feature needed for data execution prevention
Set this option to enabled for use with older O.S. that are not able to manage the CPUID value higher than
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03h, which was typical for Intel Pentium 4 with Hyper Threading Technology
Leave disabled for newer O.S. able to manage actual CPUID value.
PROCHOT# is the signal used to start thermal throttling. This signal can be driven by any processor cores'
to signal that the processor will begin thermal throttling. If bi-directional signaling is enabled, then external
components can also drive PROCHOT# signal in order to start throttling.
®
Enable or Disable Intel Virtualization Technology, allowing hardware-assisted virtual machine management.
Enable or Disable TM1 Thermal management modes.
Number of cores to enable in each processor package. 1 means that multicore processing is disabled.
Enable or disable processor management of performance states (P-states)
Only available when P-states are enabled
Allows to select which performance state must be set by BIOS before starting OS loading.
Only available when P-states are enabled
Enable processor Turbo Mode
Enable processor idle power saving states (C-States).
Enable P-state transition to occur in combination with C-states.
Only available when C-states are enabled
Allows selection of the maximum C-State that must be supported by the OS.
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