ASROCK H81 Pro BTC User Manual page 38

4. The system will wake up from sleep state periodically, and then start to update
Foxmail. The screen will not display anything so the computer can maintain
minimum power usage. Afterwards, the system will automatically return to
sleep state again.
5. Upon waking up the system, you will find the new mail that were sent to you
during sleep state are already updated and ready to be read in Foxmail.
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