User Manual

Table Of Contents
4-53
ASUS ESC4000-E10S
Perf P-Limit [Enable]
Allows you to enable or disable Performance P-Limit.
Configuration options: [Disable] [Enable]
Hardware PM State Control
Hardware P-States [Disable]
Allows you to switch between Hardware P-States mode.
[Disable] Hardware chooses a P-state based on OS Request (Legacy
P-States).
[Native Mode] Hardware chooses a P-state based on OS guidance.
[Out of Band Mode] Hardware autonomously chooses a P-state (no OS guidance).
[Native Mode with no Legacy Support] Hardware chooses a P-state based on OS
guidance (without Legacy support).
The following item is available only when
Hardware P-States
is set to
[Native]
.
HardwarePM Interrupt [Disable]
Allows you to enable or disable Hardware PM Interrupt.
Configuration options: [Disable] [Enable]
The following items are available only when
Hardware P-States
is either set to
[Native]
,
[Out
of Band Mode]
,
or
[Native Mode with no Legacy Support]
.
EPP Enable [Disable]
When disabled, HW masks EPP in CPUID[6].10 and uses EPB for EPP.
Configuration options: [Disable] [Enable]
The following item only appears when
Hardware P-States
is set to
[Out of Band Mode]
and
EPP Enable
is set to
[Enable]
.
EPP profile [Balanced Performance]
Allows you to choose an HWPM Profile (EPP).
Configuration options: [Performance] [Balanced Performance] [Balanced Power]
[Power]
APS rocketing [Disable]
Allows you to enable or disable the rocketing mechanism in the HWP p-state selection
pcode algorithm. Rocketing enables the core ratio to jump to max turbo instantaneously
as opposed to a smooth ramp up.
Configuration options: [Disable] [Enable]
Scalability [Disable]
Allows you to enable or disable Core Performance to Frequency Scalability Based
Optimizations in the CPU.
Configuration options: [Disable] [Enable]
Native ASPM [Disabled]
[Auto] BIOS Controlled ASPM
[Enabled] OS Controlled ASPM
[Disabled] ASPM Off