mITX-BDW-U – User Guide, Rev. 1.6
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Function
Selection
Description
Short Power Limit
0, 1, … 32767
Turbo Mode Long Duration Power Limit (aka Power
Limit 2) in Watts. The value may vary from 0 to
Fused Value. If the value is 0, the fused value will be
programmed. A value greater than fused TDP value
will not be programmed.
Short Duration Turbo mode
Disabled
Enabled
Enable Short Duration Turbo mode for processor.
Power Limit 3
0,1,… , 199,200
Power Limit 3 in Watts. The value may vary from 0
to Fused Value. If the value is 0, the fused value wil
be programmed. A value greater than fused TPD
value will not able programmed.
Power Limit 3 Time
0,1,…55,56
Power Limit 3 value in seconds. The value may vary
from 3 to 64. Indicates the time window over which
Power Limit 3 value should be maintained. If the
value is 0, the fused value will be programmed.
Power Limit 3 Duty Cycle
0,1,… , 99,100
Duty Cycle in percentage that the CPU is required to
maintain the Power Limit 3 time.
Energy Efficient Enable
Disabled
Enabled
Enable Energy Efficient for processor.
Configure TDP Boot Mode
Nominal
Down
Up
Disabled
Configure TDP Mode as [Nominal] [Up] [Down]
[Disabled] TDP selection. Disabled options will skip
all cTDP boot configurations but dynamic cTDP can
still work.
Lock TDP Setting
Disabled
Enabled
Lock TDP in MSR_CONFIG_TDP_CONTROL
CTPD BIOS control
Disabled
Enabled
Enables CTPD control via runtime ACPI BIOS
methods. This “Bios only” feature does not require
EC or driver support.
TDP Custom Setting
Disabled
Enabled
Use TDP Custom Setting.
C-States
Disabled
Enabled
Enable processor idle power saving states (C-
States).
Extend C-States
Disabled
Enabled
Enable C-State transitions to occur in combination
with P-States.
C3-State
Disabled
Enabled
Enable processor idle power saving C3 state.
C6-State
Disabled
Enabled
Enable processor idle power saving C6 state.
C6 Latency
Short
Long
Configure Short/Long Latency.
C7-State
Disabled
C7
C7s
Enable processor idle power saving C7 state.
C7 Latency
Short
Long
Configure Short/Long Latency.
C8-State
Disabled
Enabled
Enable processor idle power saving C8 state.
C9-State
Disabled
Enabled
Enable processor idle power saving C9 state.
C10-State
Disabled
Enabled
Enable processor idle power saving C10 state.
C-State Auto Demotion
Disabled
C1
C3
C1 and C3
Configure C-State Auto Demotion.
C-State UnDemotion
Disabled
Configure C-State Auto UnDemotion.
Summary of Contents for mITX-BDW-U
Page 1: ... USER GUIDE mITX BDW U User Guide Rev 1 6 Doc ID 1060 4825 KTD N0XXX A ...
Page 17: ...mITX BDW U User Guide Rev 1 6 www kontron com 17 3 2 mITX BDW U Block Diagram ...
Page 46: ...mITX BDW U User Guide Rev 1 6 www kontron com 46 System Information ...
Page 52: ...mITX BDW U User Guide Rev 1 6 www kontron com 52 Silicon Information ACPI Configuration ...
Page 99: ...mITX BDW U User Guide Rev 1 6 www kontron com 99 10 4 Boot ...
Page 102: ...mITX BDW U User Guide Rev 1 6 www kontron com 102 ...