18
Chapter Three System Setup
Chapter Three System Setup
functions, status of these two function modes displayed above this setting option should
be “Supported”, otherwise, it should be “Not Possible”.
In order to realize
【
Mirroring
】
(memory mirroring) function, for single CPU,
allocate memory on all channel memory slots supported by CPU_O, memory of the
same number installed on each memory channel could realize memory mirroring
among 4 memory channels. Under this mode, actual available system memory volume
reduces by half.
▼
DDR Speed
This option is used to set DDR speed.
If 4Rank memory of DDR3 1066/1333MHz is con
fi
gured in the system, and when
this memory is installed on the 1
st
DIMM of the
fi
rst memory channel, system memory
speed will be limited to 800MHz, and
【
Force DDR3 1066/1333
】
is disabled.
●
PCH
This menu is used to realize display of related PCH chip information and
parameter settings.
* SMBus Controller
This option is used to open or close system bus controller, there’re two options of
【
Enabled
】
(default settings) and
【
Disabled
】
.
* Restore AC Power Loss
This option is used to set system status for power-on after abnormal power-off,
including the following setting options:
【
Power 0ff
】
(default): Power-off status, which requires to be started manually.
【
Last State
】
: Status before power-off.
【
Power On
】
: Power-on status.
* SCU devices
This option is used open or close mainboard integrated SAS controller, including
the following settings:
【
Enabled
】
(Default): Open integrated SAS controller.
【
Disabled
】
: Close integrated SAS controller.
* Onboard SAS Oprom
This option is used to open or close integrated SAS controller ROM, there’re two
options of
【
Enabled
】
and
【
Disabled
】
(default settings).
When SCU devices option is set to
【
Disabled
】
, this option will be hidden
automatically.