Chapter 3, 5 cpu core on/off function, Ehci hand-off [disabled – Asus M5A97/SI User Manual
Page 70: Sb usb configuration, Asus core unlocker [disabled, Cpu core activation [auto

3-18
Chapter 3: BIOS setup
Chapter 3
EHCI Hand-off [Disabled]
[Enabled]
Enables the support for operating systems without an EHCI hand-off
feature.
[Disabled]
Disables the function.
SB USB Configuration
Allows you to set SB USB options.
OHCI HC (Bus 0 Dev 18 Fn 0) [Enabled]
Configuration options: [Enabled] [Disabled]
OHCI HC (Bus 0 Dev 19 Fn 0) [Enabled]
Configuration options: [Enabled] [Disabled]
OHCI HC (Bus 0 Dev 22 Fn 0) [Enabled]
Configuration options: [Enabled] [Disabled]
OHCI HC (Bus 0 Dev 20 Fn 5) [Enabled]
Configuration options: [Enabled] [Disabled]
3.5.5
CPU Core On/Off Function
Main
Ai Tweaker
Advanced
Monitor
Boot
Tool
Exit
Enabled ASUS Core Unlocker to get FULL
computing power of processor. [Warning]
System might become unstable due to
different CPU margins.
Back
Advanced\
CPU Core On/Off Function >
UEFI BIOS Utility - Advanced Mode
ASUS Core Unlocker
Disabled
CPU Core Activation
Auto
ASUS Core Unlocker [Disabled]
[Enabled]
Enables the ASUS Core Unlocker to get the full computing power of the
processor.
[Disabled]
Disables this function.
CPU Core Activation [Auto]
This item lets user turn off core except core 1, user can turn off 2nd, 3rd, 4th, 5th, etc core
manually. Configuration options: [Auto] [Manual]