46 | 6. Tweaker Menu
Power Limit 2 Override
This item enables or disables Power Limit 2 Override. If this option is disabled, BIOS will program
the default values for Power Limit 2.
Options: Enabled (Default) / Disabled
Note
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The following items appear only when you set the Power Limit 2 Override function to [Enabled]
Power Limit 2
This item Power Limit 2 value in Milli Watts. BIOS will round to the nearest 1/8W when
programming. If the value is 0, BIOS will program this value as 1.25*TDP. For 12.50W, enter 12500.
Processor applies control policies such that the package power does not exceed this limit.
Options: 250000 (Default)
C states
This item enables or disables CPU Power Management. Allows CPU to go to C states when it’s not
100% utilized.
Options: Enabled (Default) / Disabled
Enhanced C-states
This item enables or disables C1E. When enabled, CPU will switch to minimum speed when all
cores enter C-State.
Options: Enabled (Default) / Disabled
C-States Auto Demotion
This item sets C-State Auto Demotion.
Options: C1 (Default) / Disabled
C-States Un-demotion
This item sets C-State Un-demotion.
Options: C1 (Default) / Disabled
Package C-State Demotion
This item sets Package C state Demotion.
Options: Enabled (Default) / Disabled
Package C-State Un-demotion
This item sets Package C-State Un-demotion.
Options: Enabled (Default) / Disabled
CState Pre-Wake
Disable - Sets bit 30 of POWER_CTL MSR(0x1FC) to 1 to disable the Cstate Pre-Wake.
Options: Enabled (Default) / Disabled
IO MWAIT Redirection
This item allows you to set IO MWAIT Redirection. When set, will map IO_read instructions sent
to IO registers PMG_IO_BASE_A0 ffset to MWAIT (offset)
Options: Disabled (Default) / Enabled
CFG Lock
This item confgire MSR 0xE2[15], CFG lock bit.
Options: Disabled (Default) / Enabled
