Supermicro X11SCA - Page 75

Chapter 4: BIOS
75
C states
C-State architecture, a processor power management platform developed by Intel, can further
reduce power consumption from the basic C1 (Halt State) state that blocks clock cycles to
the CPU. Select Enabled for CPU C-State support. The options are Disabled or Enabled. If
this feature is set to Enabled, the following items will display:
Enhanced C-states
This feature enables Enhanced C1 Power State to boost system performance. The options
are Disabled or Enabled.
C-State Auto Demotion
When this feature is enabled, the CPU will conditionally demote C State based on un-cored
auto-demote information. The options are Disabled, C1, C3, and C1 and C3.
C-State Un-demotion
When this feature is enabled, the CPU will conditionally undemote from demoted C1 or C3.
The options are Disabled, C1, C3, and C1 and C3.
Package C-State Demotion
This feature enables the Package C-State demotion. The options are Disabled or Enabled.
Package C-State Un-demotion
When this feature is enabled, the CPU will conditionally undemote from demoted Packaged
Package C-State Un-Demotion. The options are Disabled or Enabled.
CState Pre-Wake
Use this feature to enable the C-State pre wake. The options are Disabled or Enabled.
Package C State Limit
Select Auto for the AMI BIOS to automatically set the limit on the C-State package register.
The options are C0/C1, C2, C3, C6, C7, C7s, C8, C9, C10, CPU Default, and Auto.
Chipset Conguration
System Agent (SA) Conguration
Memory Conguration
The following information is displayed:
• Memory RC Version
• Memory Frequency
• Memory Timings (tCL-tRCD-tRP-tRAS)
• DIMM#A1 ~ DIMM#B2 information