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Chapter 4 BIOS Configuration Settings
FB128-LX User Manual
IIO Configuration
Intel® VMD
technology
Intel® VMD
for Volume
Management
Device on
Socket 0
MemBar2
attribute
32-bit non-prefetchable
64-bit non-prefetchable
64-bit prefetchable
Advanced Power
Configuration
CPU P State Control
WFR Uncore GV
Rate Reduction Auto
Enable
Disable
Uncore Freq
Scaling (UFS)
Enable
Disable
AVX ICCP pre-
grant level
128 Heavy
256 Light
256 Heavy
512 Light
512 Heavy
SpeedStep
(Pstates)
Enable
Disable
Config TDP
Normal
Level 1
Level 2
P State Domain All
One
EIST PSD
Function
HW_ALL
SW_ALL
SW_ANY
SINGLE_PCTL
Enable
Disable
Single Power
Domain (SPD)
Enable
Disable
Boot
performance
mode
Max
Performance
Max Efficient
Set by Intel
Node Manager
Energy Efficient
Turbo
Enable
Disable
Turbo Mode
Enable
Disable
CPU Flex Ratio
Override
Enable
Disable
Perf P-Limit
Differential
Min=0, Max=7
Perf P-Limit Clip Min=0, Max=31
Perf P-Limit
Threshold
Min=0, Max=31
Perf P Limit
Enable
Disable
Hardware PM State
Control
Hardware
P-States
Disable
Native Mode
Out of Band Mode
Native Mode with No
Legacy Support
HardwarePM
Interrupt
Enable
Disable
EPP Enable
Enable
Disable
APS rocketing
Enable
Disable
Scalability
Enable
Disable
RAPL
Prioritization
Enable
Disable
Package C State
Control
Package C State
C0/C1 state
C2 state
C6(non Retention)
C6(Retention) state
No Limit
Auto
C2C3TT
Min=0, Max=255
PKG C-state Lat.
Neg.
Enable
Disable
LTR IIO Input
Take IIO LTR input
Ignore IIO LTR input
MDLL Off
Auto
Enable
Disable
Latency
Tolerence
Requirement
Snoop Latency
Override
Enable
Disable
Force Snoop
Latency
Override
Enable
Disable
Snoop Latency
Multiplier
Min=0, Max=7
Force Non-
Snoop Latency
Override
Min=0x0, Max=0x3ff
Non-Snoop
Latency
Override
Enable
Disable