Installation
Page 3-17
3-6 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 must be 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
TM
function.
1. To enable the ACPI function and use the STR functionality to save system
power, you are recommended to confirm the following requirements:
a. Install ACPI qualified add-on cards (such as AGP, LAN, and modem cards).
b. In BIOS under Power Management Setup (refer to Section 4), select ACPI
function: Enabled and ACPI Suspend Type: S3(STR) and USB Resume
from S3/S4: Enabled (if you have USB devices).
c. Install Windows
®
XP/2000/ME/98SE.
d. Restart the system.
e. 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 enable the STR function, click the START button and choose Shut Down. In
the Shut Down Windows dialog box, select the Stand By option to enter STR
mode.
The following lists are the differences between STR power saving mode and
Green (or 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) or click your USB devices to wake up your system to the last
display.
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