User's Manual (1.0)

Chapter 7: BIOS
7-9
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 cache 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-specifi 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 effi ciency
with maximum power saving). The fan speeds are controlled by the fi rmware
management via IPMI 2.0. The options are Performance, Balanced
Performance, Balanced Energy, and Energy Effi 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
duration 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.