ASROCK E35LM1 User Manual page 40

OMG (Online Management Guard)
Administrators are able to establish an internet curfew or restrict internet
access at specifi ed times via OMG. You may choose from [Everyday], [Day
of the week] or [Weekdays and weekends], then schedule the starting and
ending hours of internet access granted to other users. In order to prevent
users from bypassing OMG, guest accounts without permission to modify
the system time are required.
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