In order to make your computer support s3 sleep (stand-by) mode you should:

To enter the CMOS Setup, you must press a certain key or combination of keys during the initial startup sequence. Most systems use "Esc," "Del," "F1," "F2," "Ctrl-Esc" or "Ctrl-Alt-Esc" to enter setup. There is usually a line of text at the bottom of the display that tells you "Press ___ to Enter Setup."

Example:[Press <DEL> to Enter Setup]
Once you have entered setup, you will see a set of text screens with a number of options. Some of these are standard, while others vary according to the BIOS manufacturer.
In the following window, , use arrow keys to move among the items, what we need to select is Power Management Setup .

CMOS setup utility-copyright(c)1984-2001 Award software

Standard CMOS Features

Advanced BIOS Features

Advanced chipset Features

Integrated peripherals

Power Management Setup

PnP/PcI configurations

PC Health status

 seepu setup

    Load Fail-safe Defaults

    Load optimized Defaults

    set supervisor password

    set user password

    save & Exit setup

    Exit without saving

Esc: Quit

F10: save & Exit setup          :select Item

Time,Date,Hard Disk Type...



 
Select the Power Management Setup and press <Enter> , the following sub-menu will be appeared. In the following window, set up the ACPI Suspend Type option as S3(STR).

Power Management Setup  

ACPI Function               Enabled

ACPI Suspend Type           S3(STR)

Power Mangment              User Define

Video off Method            DPMS

Video off In Suspend        Yes

Suspend Type                stop Grant

MODEM Use IRQ               3

Suspend Mode                Disabled

HDD Power Down              Disabled

Soft-Off by PWR-BTTN        Instant-Off

Wake-Up By PCI card         Disabled

Power On by Ring            Disabled

Wake Up On LAN              Disabled

USB KB Wake-Up Drom S3      Disabled

Resume by Alarm             Enabled

Date( of Month ) Alarm      0

Time (hh: mm: ss) Alarm     7       30       0

Primary IDE 0               Disabled

Primary IDE 1               Disabled

Secondary IDE 0             Disabled

Secondary IDE 1             Disabled

FDD COM LPT Port          Disabled

PCI PIRQ[A-D]#              Disabled

 

** Reload Global Timer Events **

  Item Help

 Menu    Level


When you are finished what your changes, you should choose "Save & Exit setup" or press F10 to exit . By doing so, the settings will come into effect next time when you power on the system again.

 
   SAVE to CMOS and EXIT (Y/N)? Y

 
· When your computer is sleeped in s3 mode , you can press the power button on the panel of mainframe to wake up your computer. Of course, Auto Power-on & Shut-down can be able to wake up your computer too. When a power-on task is time up, Auto Power-on & Shut-down should wake up your computer from s3 mode.