User manual

4.1
cpu
Configuration
CoeI
n‘ Qulet
Use this
item to
enable
or
disable
AMDs
CooI n
QuiettM
technology.
The
default
value
is [Enabled].
Configurabon
options:
[Enabled]
and
[Disabled].
If you
install
Windows
8
/ 7 / Vista‘°
ard want
to
enable
this
function.
please
set ffiis
item to
[Enabled].
Please
note
that enabling
this funation
may
reduce
CPU voltage
and memory
frequency.
and
Iead to
system
sta
bflity or
compatibility
issue
with some
memory
modules
or power
supplies.
Please
set INs
item to
[Disable]
if above
issue
occurs.
Enhance
Halt State
(GIE)
All processors
support
the
Halt
State
(Cl). The
Cl
state
5 supported
through
the
native
processor
instructions
HLT
ard
MWAIT
and requires
na
hardware
support
from
the chipset.
In
the Cl
power
state,
the processor
maintains
the context
of
the
system
caches.
Secure
Virtual
Machine
When
this option
is
set to
[Enabled],
a
VMM
(Virtual
Machine
Architecture)
can
utilize
the
additional
hardware
capabilities
provided
by AMD-V.
The
default
value
5 [Enabled].
Configuration
options:
[Enabled]
and
[Disabled].
CPU
Thennal
Throflle
Use
this
item to
enable
CPU
intemal
therrnal
control
mechanism
to
keep
the
CPU from
overhealed.
The
default
value
is
[Auto].
4.2
North
Bridge
conriguration
IOMMU
Use this
to enable
or
disable
IOMMU.
The
default
value
of
this
feature
is
[Disabled].
4
0)
c
Ui
Primary
Graphics
Adapter
This
item
will
switch
the
PCI Bus
scanning
order
while searching
tor
video
card,
lt
allows
you
to
select
the
type
of Primary
VGA
in case
of multiple
video
controllers.
The
default
value
of this
feature
is [PCI
Express].
Con
figuration
options:
[PCI]
anti [PCI
Express].
10
ASRock
970
Pro3 R2.O
Motherboard
ASRock
970
Pro3
R2.O
Motherboard
11