Acer Power S290 Technical Information download pdf (Page 33)

27 Chapter 2

ACPI Suspend Type This item specifies the power saving modes for

ACPI function. S1(POS): The S1 sleep mode is a

low power state. In this state, no system context

(CPU or chipset) is lost and hardware maintains

all system context. S3 (STR): The S3 sleep

mode is s power-down state in which power is

supplied only to essential components such as

main memory and wake-capable devices and all

system context is saved to main memory. The

information stored in memory will be used to

restore the PC to the previous state when an

wake-up event occurs. S1&S3: Both S1 and S3

will be adopted.

S1 (POS)

S3 (STR)

S1&S3

Suspend Mode The CPU clock will be stopped and the video

signal will be suspended if no Power

Management events occur for a specified length

of time. Full power function will return when a

Power Management event is detected.

Disabled

1/2/4/8/12/20/30/40 mins

1 Hour

Video Off Option This option is used to set video off option. The

setting values are always on, suspend> off,

susp,stby>off, and all modes>off.

Always On

Suspend --> Off

Susp, Stby --> Off

All Modes --> Off

Video Off Method This item determines the manner in which the

monitor is blanked.

V/H SYNC+Blank: This selection will cause the

system to turn off the vertical and horizontal

synchronization ports and write blanks to the

video buffer. Blank Screen: This option only write

blanks to the video buffer. DPMS Supported:

Initial display power management signaling.

Blank Screen

V/H SYNC+Blank

DPMS

Mode Use IRQ This setting names the interrupt request (IRQ)

line assigned to the modem (if any) on your

system. Activity of selected IRQ always awakens

the system.

Auto

3,4,5,7,9,10,11

HDD Power Down This option is used to define the continuous HDD

idle time before the HDD enters power saving

mode. The setting values are disabled and 1 min

to 15 min.

Disabled

1,2,3,4,5,6,7,8,9,10,11,12,13,

14,15 Min

Soft-off by PWR-BATTN This option is used to set the power down

method. This function is only valid for systems

using an ATX power supply. When ““nstant off” is

selected, press the power switch to immediately

turn off power. When “delay 4 sec” is selected,

press and hole the power button for four seconds

to turn off power.

Instand Off

Delay 4 Sec.

PWRON After PWR-Fail This item allow user set the machine power state

when connect the AC power. "Always off" means

the machine is always off when power on;

"Always on" means the machine will always

power on when connect the AC power; "Pre-

State" means the machine state is the same as

the last state.

Always Off

Always On

Pre-State

Parameter Description Options

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Acer Power S290 Technical Information Page 33

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