MSI MS-6199VA User Manual page 60

PM Timers
The following four modes are Green PC power saving functions
which are only user configurable when User Defined Power Management
has been selected.
HDD Power Down
When enabled and after the set time of system inactivity, the hard disk
drive will be powered down while all other devices remain active.
Doze Mode
When enabled and after the set time of system inactivity, the CPU
clock will run at slower speed while all other devices still operate at full
speed.
Suspend Mode
When enabled and after the set time of system inactivity, all
devices except the CPU will be shut off.
PM Events
PM events are I/O events whose occurrence can prevent the
system from entering a power saving mode or can awaken the system from
such a mode. In effect, the system remains alert for anything which occurs
to a device which is configured as On, even when the system is in a power
down mode.
VGA
When Enabled, you can set the VGA to awaken the system.
LPT & COM
When you choose either LPT or COM, any activity from one of the
listed system peripheral devices or IRQs wakes up the system.
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