Supermicro SUPERSERVER 5028D-TN4T, User Manual

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Chapter 6: AMI BIOS
7-11

Program PowerCTL_MSR
PKG C-state Lat. Neg.
Use this feature to indicate whether latency should be negotiated with PCH
for packaging C-States. The options are
Enable and Disable.
SAPM Control
This feature indicates whether the PCU should control the System Agent
PM using its power-performance tuning algorithm. The options are
Enable
and Disable.
Energy Efficient Turbo
Use this feature to enable energy efficient turbo mode. The options are
Enable
and Disable.

DRAM RAPL Configuration
DRAM RAPL Extended Range
Use this feature to set the DRAM Running Average Power Limit (RAPL)
Extended Range. The options are Disable and
Enable .

Chipset Configuration
Warning: Setting the wrong values in the following features may cause the system
to malfunction.

North Bridge
This feature allows the user to configure the following North Bridge settings.

IIO Configuration
EV DFX (Device Function On-Hide) Features
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
Disable and Enable.