VersaLogic VL-EPU-4011 Reference Manual page 18

System Setup
Option: Enhanced C-states
Disable
Enable (default)
Details: Enable/Disable C1E. When enabled, CPU will switch to minimum speed when
all cores enter C-State.
Option: Max Package C State
S0ix default (default)
PC2
C0
Details: This option controls the Max Package C State that the processor will support.
Option: Max Core C State
Fused value (default)
Core C10
Core C9
Core C8
Core C7
Core C6
Core C1
Unlimited
Details: This option controls the Max Core C State that cores will support.
Option: C-State Auto Demotion
Disabled
C1 (default)
Details: Configure C-State Auto Demotion
Option: C-State Un-demotion
Disabled
C1 (default)
Details: Configure C-State Un-demotion
VL-EPU-4011 BIOS Reference Manual 18