|
BIOS
33
4
2
24
Legacy
USB
Support
Legacy
USB
Support
refers
to
the
USB
mouse
and
USB
keyboard
support.
Normally
if
this
option
is
not
enabled;
any
attached
USB
mouse
or
USB
keyboard
will
not
become
available
until
a
USB
compatible
operating
system
is
fully
booted
with
all
USB
drivers
loaded.
When
this
option
is
enabled,
any
attached
USB
mouse
or
USB
keyboard
can
control
the
system
even
when
there
is
no
USB
drivers
loaded
on
the
system.
Set
this
value
to
Enabled
or
Disabled
the
Legacy
USB
Support.
Available
Options:
Disabled,
Enabled
and
AUTO
Default
setting:
Auto
4
2
25
USB
2.0
Controller
Mode
This
field
is
configures
the
USB
2.0
controllers
in
High
speed
(480Mbps)
or
Full
speed
(12Mbps).
Available
Options:
HiSpeed
and
FullSpeed
Default
setting:
Hispeed
4
2
26
BIOS
ECHI
Hand
Off
This
is
a
workaround
for
OS
without
ECHI
Hand
‐
Off
support.
The
ECHI
ownership
change
should
claim
by
ECHI
driver.
Available
Options:
Enabled
and
Disabled
Default
setting:
Enabled
4
3
PCIPnP
Setup
Select
the
PCI/PnP
tab
from
the
setup
screen
to
enter
the
Plug
and
Play
BIOS
Setup
screen.
You
can
display
a
Plug
and
Play
BIOS
Setup
option
by
highlighting
it
using
the
<Arrow>
keys.
All
Plug
and
Play
BIOS
Setup
options
are
described
in
this
section.
The
Plug
and
Play
BIOS
Setup
screen
is
shown
below.
