Chapter 4 AMI BIOS Setup
Page: 4-10
EB-591LF USER
′
S MANUAL
4-4-1. ACPI SETTINGS
ACPI settings screen
BIOS Setting
Options
Description/Purpose
ACPI Sleep
State
-Suspend Disabled
-S3 (Suspend to RAM)
Specifies the ACPI sleep state.
Disabled
disables ACPI sleep feature.
S3
allows the platform to enter Sleep
mode (also known as Standby or
Suspend to RAM).
Note
: It is necessary to modify system registry in order to enable wake up from S3 system
power state via USB devices in Windows XP. Simply add DWORD entry named
"USBBIOSx" with value 0 to location:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usb\
Fore more details, refer to Microsoft Support article KB 841858 at
http://support.microsoft.com/kb/841858
.