B&R Panel PC 3100, User Manual

Page: 154 / 277

Software
154 Automation PC 3100 User's manual V 1.00
Translation of the original documentation
BIOS parameter Setting options Description
Platform PL1 time window INT
Default:
0
Defines the platform PL1 time window [s]
Range: 0 to 128
Disabled
Platform PL2 enable
Enabled
Disables/Enables platform power limit (PL2) programming
Platform PL2 power INT
Default: 0
Defines the platform PL1 power limit [mW]
Range: 0 to 4095875
Resolution: 1/8
Disabled Power limit 4 override
Enabled
Disables/Enables the power limit 4 override
Enable to set values for power limit 4 manually; otherwise, the system default values
are used.
Power limit 4 INT
Default: 0
Defines PL4 power limit 4 [mW]
Range: 0 to 4095875
Resolution: 1/8
Disabled Power limit 4 lock
Enabled
Disables/Enables the power limit 4 lock function
This can be used to lock the PL4 configuration when using an operating system.
Disabled C states
6)
Enabled
Disables/Enables CPU C-states management
Disabled Thermal monitor
Enabled
Disables/Enables temperature monitoring
Power limit 3 settings Enter Opens submenu "Power limit 3 settings" on page 156
Table 173: Advanced - Power & Performance - CPU power management control
1) Intel Speed Shift Technology enables hardware-controlled P-states via the CPPC (Collaborative Processor Performance Control) v2 interface.
2) Hardware duty cycling
3) This submenu appears only if the Intel® Speed Shift Technology option is enabled.
4) For all power limits (PL1 to PL4), the additional description on the display unit must be observed. All values must be entered in mW.
5) The default value 0 for this table means that pre-programmed default values are used. The system does not use the numeric value 0.
6) The C-states options are described separately in the following table to maintain clarity.
BIOS setting Configuration op-
tions
Explanation
Disabled Enhanced C-states
Enabled
Disables/Enables enhanced C-states (C1E)
The CPU switches to the lowest speed level if all cores are in a C-state.
C1
C1 and C3
C3
C-state auto demotion
Disabled
Selects or disables C-state auto-demotion
Can be used to prevent unnecessary changing of C-states.
C1
C1 and C3
C3
C-state un-demotion
Disabled
Selects or disables C-state un-demotion
Auto
Disabled
Package C-state demotion
Enabled
Disables/Enables package C-state demotion or sets it automatically
Auto
Disabled
Package C-state un-demotion
Enabled
Disables/Enables package C-state un-demotion or sets it automatically
Disabled CState pre-wake
Enabled
Disables/Enables CState pre-wake
Disabled IO MWAIT redirection
Enabled
Disables/Enables I/O MWAIT redirection
Auto
CPU default
Selects package C-state limits, sets it automatically (lowest available state selected) or
the CPU default (default C-state of the CPU)
C10 C9 optimized VR off
C9 C8 + VR off
C8 C7 + PCH off
C7S Optimized deeper power down
C7 Deeper power down
C6 Deep power down
C3 Deep sleep
C2 Stop clock
Package C-state limit
C0/C1 Operating mode/halt
C3 latency control (MSR 0x60A)
1 ns
32 ns
1024 ns
32768 ns
1048576 ns
Time unit
33554432 ns
Select the IRTL
1)
time unit [ns]
Latency INT
Default: 78
Defines the IRTL value
Range: 0 to 1023
C6/C7 short latency control (MSR 0x60B)
1 ns Time unit
32 ns
Selects the IRTL time unit [ns]
Table 174: Advanced - Power & Performance - CPU power management control - C-states
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