Supermicro X9DB3-F User Manual download pdf (Page 81)

Chapter 4: AMI BIOS

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CPU C3 Report (Available when Power Technology is set to Custom)

Select Enabled to allow the BIOS to report the CPU C3 State (ACPI C2) to the

operating system. During the CPU C3 State, the CPU clock generator is turned

off. The options are Enabled and Disabled.

CPU C6 Report (Available when Power Technology is set to Custom)

Select Enabled to allow the BIOS to report the CPU C6 State (ACPI C3) to the

operating system. During the CPU C6 State, the power to all caches is turned

off. The options are Enabled and Disabled.

CPU C7 Report (Available when Power Technology is set to Custom)

Select Enabled to allow the BIOS to report the CPU C7 State (ACPI C3) to the

operating system. CPU C7 State is a processor-specic low C-State. The options

are Enabled and Disabled.

Package C-State limit (Available when Power Technology is set to Custom)

This feature allows the user to set the limit on the C-State package register. The

options are C0, C2, C6, and No Limit.

Energy Performance Bias

Use this feature to select an appropriate fan setting to achieve maximum system

performance (with maximum cooling) or maximum energy efciency (with maximum

power saving). The fan speeds are controlled by the rmware management via IPMI

2.0. The options are Performance, Balanced Performance, Balanced Energy, and

Energy Efcient.

Factory Long Duration Power Limit

This item displays the power limit (in watts) set by the manufacturer during which

long duration power is maintained.

Long Duration Power Limit

This item displays the power limit (in watts) set by the user during which long dura-

tion power is maintained. The default setting is 0.

Factory Long Duration Maintained

This item displays the period of time (in seconds) set by the manufacturer during

which long duration power is maintained.

Long Duration Maintained

This item displays the period of time (in seconds) during which long duration power

is maintained. The default setting is 0.

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Supermicro X9DB3-F User Manual Page 81