Supermicro SUPERSERVER 5028TK-HTR, User Manual

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7-9
Chapter 7: BIOS
SPD (Serial Presence Detect)
Select Enable for SPD support, which will allow the BIOS to access and use memory
information that is stored in an EEPROM (electrically erasable programmable read-
only memory) chip to properly configure memory modules upon bootup to maximize
system memory performance. The options are Enable and Disable .
PL2_SAFETY_NET_ENABLE
Select Enable to enable PL2_SAFETY_NET to enhance memory performance. The
options are Disable and
Enable .
Energy Efficient P-State
Select Enable to use Energy Efficient P-State for CPU energy efficiency enhance -
ment. P-state is also known as "SpeedStep" for Intel processors. The options are
Disable and
Enable
Turbo Mode
Select Enabled to use the Turbo Mode to boost system performance. The options
are
Enable
and Disable.

CPU C State Control
CPU C State
Select Enable to enable CPU C-State support to enhance CPU power management.
Please reboot the system for the change of the setting to take effect. The options
are Disable and
Enable .
Package C State limit
Use this item to set the limit on the C-State package register. The options are C0/1
state, C2 state, C6 (non-Retention) state, and
C6 (Retention) state .

CPU T State Control
ACPI (Advanced Configuration Power Interface) 3.0 T-States
Select Enable to support CPU throttling by the operating system to reduce power
consumption. The options are
Enable
and Disable.

CPU Thermal Management State Control
Bi-directional PROCHOT#
Select Enable to allow an external agent to trigger CPU-throttling in an attempt to
cool down the processor when it is too hot. The options are
Enable and Disable.