Chapter 3
32
3-6 Power Management Setup
ACPI Suspend Type
This feature allows users to select the ACPI suspend type. You can select
S1
(
POS
) for
Power On Suspend under ACPI mode, or
S3
(
STR
) for Suspending To RAM.
ACPI C2 Function
This feature allows users to enable/disable ACPI C2 function. The C2 state puts the
processor into a low-power state optimized around multiprocessor and bus master
systems. OSPM will cause an idle processor complex to enter a C2 state if there are
bus masters or Multiple processor activity. The processor complex is able to snoop
bus master or multiprocessor CPU accesses to memory while in the C2 state.
ACPI C3 Function
This feature allows users to enable/disable ACPI C3 function. While in the C3 state,
the processor
’
s caches maintain state but the processor is not required to snoop bus
master or multiprocessor CPU accesses to memory.
PWRON After PWR-Loss
This feature determines whether you want to restart the system after a power failure.
Select
“
On
”
, to boot the system whether or not the system was on before power
failure. Choose Former-Sts, to restore the system to the status before the power
failure.
Power Management
To select the type (or degree) of power saving for Doze, Standby, and Suspend modes.
PM Control by APM
This feature allows you to enable or disabled Advanced Power Management for
Power Management of the system.
MODEM Use IRQ
This feature allows users to set the IRQ (Interrupt Request) for the modem. Set NA if
no modem exists.
Video Off In Suspend
This field determines when to activate the video off feature for monitor power
management.
Video Off Method
This feature allows users to determine in what mode the monitor is blanked.
l
Blank Screen: Blank signal to the Video Buffer
l
V/H sync+blank: Blank signal to Video Buffer, with Vertical and Horizontal
