Chapter 2Specifications

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

Wakes unconditionally from S1-S3.

WAKE#

 

 

 

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/

When Standby mode is set to S1, no special action must be taken for a USB

Keyboard Event

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

Wakes unconditionally from S1-S5.

Button Event

 

 

 

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.

COM 830

Reference Manual

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Ampro Corporation COM 830 manual GPI2#, Smbalert#, Wake# Pme#