
52
SB403-VG User Manual
Chapter 4 BIOS Configuration Settings
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, [1]
Perf P-Limit Clip Min=0, Max=31, [31]
Perf P-Limit
Threshold
Min=0, Max=31 [15]
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, [0]
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, [0]
Force Non-
Snoop Latency
Override
Min=0x0, Max=0x3ff, [0x0]
Non-Snoop
Latency
Override
Enable
[Disable]