B&R Automation PC 3100 User Manual page 155

BIOS setting
Latency
C6/C7 long latency control (MSR 0x60C)
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 174: Advanced - Power & Performance - CPU power management control - C-states
1) 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 175: Advanced - Power & Performance - CPU power management control - View/Configure turbo options
Automation PC 3100 User's manual V 1.00 Translation of the original documentation
Configuration op- Explanation
tions
1024 ns
32768 ns
1048576 ns
33554432 ns
INT Defines the IRTL value
Default: 118 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: 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
Software
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