B&R Automation PC 3100 User Manual page 157

BIOS setting
Time unit
Latency
C8 latency control (MSR 0x633)
Time unit
Latency
C9 latency control (MSR 0x634)
Time unit
Latency
C10 latency control (MSR 0x635)
Time unit
Latency
Table 93: Advanced - Power & Performance - CPU power management control - C-states
1) Voltage regulator (module)
2) Interrupt response time limit
View/Configure turbo options
BIOS parameter
Max turbo power limit
Min turbo power limit
Package TDP limit
Power limit 1
Power limit 2
1-core turbo ratio
2-core turbo ratio
Energy efficient P-state
Package power limit MSR lock
1-core ratio limit override
2-core ratio limit override
Energy efficient turbo
Table 94: Advanced - Power & Performance - CPU power management control - View/Configure turbo options
Config TDP configurations
BIOS parameter
Configurable TDP boot mode
1)
Configurable TDP lock
CTDP BIOS control
Table 95: Advanced - Power & Performance - CPU power management control - Config TDP configurations
Automation PC 3100 User's manual V 2.10
Configuration op- Explanation
tions
1 ns Selects the IRTL time unit [ns]
32 ns
1024 ns
32768 ns
1048576 ns
33554432 ns
INT Defines the IRTL value
Default: 148 Range: 0 to 1023
1 ns Selects the IRTL time unit [ns]
32 ns
1024 ns
32768 ns
1048576 ns
33554432 ns
INT Defines the IRTL value
Default: 250 Range: 0 to 1023
1 ns Selects the IRTL time unit [ns]
32 ns
1024 ns
32768 ns
1048576 ns
33554432 ns
INT Defines the IRTL value
Default: 332 Range: 0 to 1023
1 ns Selects the IRTL time unit [ns]
32 ns
1024 ns
32768 ns
1048576 ns
33554432 ns
INT Defines the IRTL value
Default: 1010 Range: 0 to 1023
Setting options Description
- Displays the max. turbo power limit
- Displays the min. turbo power limit
- Displays the package TDP limit
- Displays power limit 1
- Displays power limit 2
- Displays the 1-core turbo ratio
- Displays the 2-core turbo ratio
Disabled Disables/Enables energy-efficient P-states
Enabled
Disables/Enables the package power limit MSR lock function
Disabled
A reset is necessary to unlock the register.
Enabled
INT Defines the frequency of CPU turbo on an active core
Default: 24 Range: 1 to 255
INT Defines the frequency of CPU turbo on two active cores
Default: 24 Range: 1 to 255
Disabled Disables/Enables energy-efficient turbo
Reduces the turbo frequency to increase energy efficiency.
Enabled
Setting options Description
Deactivate Selects the configurable TDP boot mode
Nominal: TDP is not overshot or undershot.
Down
Down: TDP is undershot and the processor works with lower power.
Nominal
Disables/Enables TDP control register
Disabled
Enabled
Disabled Disables/Enables CTDP BIOS control
Software
157