User manual

47 ASMB-781 User Manual
Chapter 3 BIOS Operation
Low MMIO Align
Low MMIO resources align at 64MB/1024MB.
DMI Gen2
Enable or disable DMI Gen2
VT-d
To support Intel chipset virtualization technology for directed I/O.
Initiate Graphic Adapter
This setting allows user to select which graphics controller to be the primary graphic
device when booting up.
PEG Force Gen1
Allows user to force PEG port downgrade to Gen1.
3.5.2 South Bridge
Figure 3.19 South Bridge
SMBus Controller
Disable/enable the system SMBUS function
Restore AC Power Loss
The system goes into on/off state after an AC power loss.
SLP_S4 Assertion Stretch Enable
This item allows you to set a delay of a set number of seconds.
Deep Sx
“Enable” or “Disable” Deep S5 feature. When deep S5 is enable, most power includ-
ing 5VSB will be off during deep S5 for energy saving.