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 Efcient Turbo
Use this feature to enable energy efcient turbo mode. The options are
Enable and Disable.
DRAM RAPL Conguration
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 Conguration
Warning: Setting the wrong values in the following features may cause the system
to malfunction.
North Bridge
This feature allows the user to congure the following North Bridge settings.
IIO Conguration
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.