Bios Advanced Menu Usb Ports Options - Oracle X8-2L Service Manual

Setup Options
Energy Performance
Uncore Frequency Scaling
(UFS)
Hardware P-States
CPU Power Limit

BIOS Advanced Menu USB Ports Options

The following table describes the BIOS Advanced Menu USB ports options.
Setup Options
EHCI Hand-off
Port 60/64 Emulation
Rear Port
Internal Port #0
Options
Performance
Balanced Performance
Balanced Energy
Energy Efficiency
Enabled/Disabled
Disabled
Native Mode
Out of Band Mode
Enabled/Disabled
Options
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Defaults
Balanced Performance
Disabled
Native Mode
Disabled
Defaults
Disabled
Enabled
Enabled
Enabled
BIOS Setup Utility Menu Options
BIOS Advanced Menu Selections
Description
Select the Energy Performance
mode.
Enable or disable Uncore
Frequency Scaling (USF).
Select the Hardware P-State.
Disable chooses a P-State based
on operating system request
(Legacy P-States). Native Mode
chooses a P-State based on
OS guidance. Out of Band lets
hardware autonomously choose
the P-State (no OS guidance).
Enable or disable CPU power
limit.
Description
Enable or disable Enhanced
Host Controller Interface
(EHCI) hand-off support. This
is a workaround for operating
systems without EHCI hand-off
support. The EHCI change of
ownership should be claimed by
the EHCI driver.
Enable or disable I/O port
60h/64h emulation support.
Enable this setting for the
complete USB keyboard legacy
support for non-USB aware
operating systems.
Enable or disable USB Rear
Port.
Enable or disable USB Internal
Port 0.
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