Table of Contents
Advertisement
Chapter 4
BIOS
4-1
Introduction .......................................................................... 4-1
Starting BIOS GUI Setup Utility ............................................... 4-1
How To Change the Configuration Data .................................... 4-2
How to Start the Setup Utility ................................................. 4-2
4-2
System Information ............................................................... 4-3
System Date ..................................................................... 4-3
System Time ..................................................................... 4-3
4-3
CPU ..................................................................................... 4-4
CPU Configuration .................................................................. 4-5
C6DRAM ........................................................................... 4-6
SW Guard Extension (SGX) ................................................. 4-6
Select Owner EPOCH Input Type .......................................... 4-6
PRMRR Size ....................................................................... 4-6
Hardware Prefetcher .......................................................... 4-6
Adjacent Cache Line Prefetch ............................................. 4-6
Intel (VMX) Virtualization Technology .................................. 4-6
Active Processor Cores ........................................................ 4-7
Hyper-Threading ................................................................ 4-7
BIST ................................................................................. 4-7
AES .................................................................................. 4-7
Machine Check ................................................................... 4-7
MonitorMWait ..................................................................... 4-7
FCLK Frequency for Early Power On ..................................... 4-8
Power and Performance .......................................................... 4-8
CPU - Power Management Control ........................................... 4-8
Race to Halt (RTH) ............................................................. 4-8
Intel(R) SpeedStep(tm) ...................................................... 4-9
HDC Control ...................................................................... 4-9
C states ............................................................................ 4-9
Enhanced C-states ............................................................. 4-9
C-State Auto Demotion ....................................................... 4-9
C-State Un-demotion .......................................................... 4-9
Package C-State Demotion .................................................. 4-9
Package C-State Un-Demotion ............................................. 4-9
IO MWAIT Redirection ....................................................... 4-10
Package C State Limit ....................................................... 4-10
xiii
Table of Contents
Advertisement
Table of Contents
