EPOX Pentium 4 Processor based AGP 4X mainboard User Manual download pdf (Page 35)

Installation

Page 3-19

3-7 ACPI S3 (Suspend To RAM) Function

This mainboard supports the STR (Suspend To RAM) power management

scheme by maintaining the appropriate power states in the DDR SDRAM

interface signals. The power source to the DDR SDRAM is kept active during

STR (ACPI S3). Advanced Configuration Power Interface (ACPI) provides many

Energy Saving Features for operating systems that support Instant ON and

QuickStart

function.

1. To enable STR functionality to save system power :

a. Install ACPI certified add-on cards (such as AGP, LAN, and modem cards).

b. In BIOS, under Power Management Setup (refer to Section 4), select “ACPI

Suspend Type: S3(STR)”. If you have a USB mouse or keyboard, set “USB

Wake-Up from S3” to “Enabled”.

c. Install Windows

XP/2000/ME/98SE.

d. Restart the system.

e. When in Windows, open the Control Panel Power Management application,

and click the Advanced tab. In the Power buttons section, select “Stand By”

from the drop-down lists.

2. To activate the STR function:

a. Click the START button and choose Shut Down.

b. In the Shut Down Windows dialog box, select the Stand By option to enter

STR mode.



The following are the differences between STR power saving mode and Sus-

pend (Power On Suspend) mode:

a. STR is the most advanced Power Management mode.

b. STR cuts all the power supplied to peripherals except to memory - max. power

saving.

c. STR saves and keeps all on-screen data including any executed applications

to DDR SDRAM.

d. In STR mode, you must push the power button (connected to the onboard PW-

On of CFP pin), click your USB mouse buttons, or press your USB keyboard

keys to wake up your system to the last display.

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EPOX Pentium 4 Processor based AGP 4X mainboard User Manual Page 35