Ampro Corporation COM 830 - Manual (Page 29)

Chapter 2 Specifications
COM 830 Reference Manual 23
GPI2# Set GPE2 Function node to Sleep Button in the ACPI setup menu or set
Resume On Ring to Enabled in the Power setup menu.
Onboard LAN Event Device driver must be configured for Wake On LAN support.
SMBALERT# Wakes unconditionally from S1-S5.
PCI Express
WAKE# Wakes unconditionally from S1-S3.
PME# Activate the wake up capabilities of a PCI device using Windows Device
Manager configuration options for this device OR set Resume On PME# to
Enabled in the Power setup menu.
USB Mouse/
Keyboard Event When Standby mode is set to S1, no special action must be taken for a USB
Mouse/Keyboard Event to be used as a Wake Event.
When Standby mode is set to S3, the following must be done for a USB
Mouse/Keyboard Event to be used as a Wake Event.
USB Hardware must be powered by standby power source.
Set USB Device Wakeup from S3/S4 to ENABLED in the ACPI setup menu.
Under Windows XP add following registry entries:
Add this key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usb
Under this key add the following value:
“USBBIOSx“=DWORD:00000000
Note that Windows XP disables USB wakeup from S3, so this entry has to be
added to re-enable it.
Configure USB keyboard/mouse to be able to wake up the system:
In Device Manager look for the keyboard/mouse devices. Go to the Power
Management tab and check 'Allow this device to bring the computer out of
standby'.
Note: When the standby state is set to S3 in the ACPI setup menu, the power
management tab for USB keyboard /mouse devices only becomes available
after adding the above registry entry and rebooting to allow the registry
changes to take affect.
RTC Alarm Activate and configure Resume On RTC Alarm in the Power setup menu.
Watchdog Power
Button Event Wakes unconditionally from S1-S5.
NOTE The above list has been verified using a Windows XP SP2 ACPI enabled
installation.
When using Windows XP, Standby mode is either an S1 state or S3 state
depending on what has been selected in the ACPI Configuration Menu in the BIOS
setup program.