MC90xx Wakes Up from Suspend Mode without User Interaction

Article ID: 77048909

Symptom


 

MC90xx will repeatedly wake up from suspend mode without user interaction.

Facts


 

The CtlPanel display will have the last makeup setting displayed as RTC (Real Time Clock). MC90xx

Resolution


 

There are three registry settings that will prevent the device from exhibiting this behavior.

Set the registry settings as listed below to dword values of zero.

[HKEY_CURRENT_USER\ControlPanel\Devices\rtc1:]
"TimeoutWakeupFlag"=dword:00000000
"APIWakeupFlag"=dword:00000000
"PowerKeyWakeupFlag"=dword:00000000