Cpu C State Control; Cpu T State Control; Chipset Configuration; North Bridge - Supermicro SUPERSERVER 2028TR-HTR User Manual

 CPU C State Control
Package C-State limit
This feature allows the user to set the limit on the C-State package register.
The options are C0/C1 State, C2 State, C6 (Non Retention) State, and C6
(Rententioin) State.
CPU C3 Report
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
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.
Enhanced Halt State (C1E)
Select Enabled to use Enhanced Halt-State technology, which will significantly
reduce the CPU's power consumption by reducing the CPU's clock cycle and
voltage during a Halt-state. The options are Disable and Enable.
 CPU T State Control
ACPI (Advanced Configuration Power Interface) T-States
Select Enable to support CPU throttling by the operating system to reduce power
consumption. The options are Enable and Disable.
Chipset Configuration
North Bridge
This feature allows the user to configure the following North Bridge settings.
Integrated IIO Configuration
EV DFX (Device Function On-Hide) Feature
When this feature is set to Enable, the EV_DFX Lock Bits that are located on a
processor will always remain clear during electric tuning. The options are Dis-
able and Enable.
7-9
Chapter 7: BIOS