Standby Mode; Suspend Mode - Abit IT5 Series User Manual

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Standby Mode:

When the setting selected for "Power Management" is "User Define", you
can define for this mode any delay from 1 minute to 1 hour. If no power
management event occurs during this time period, meaning the computer
is inactive during this period, the system will enter the Standby power
saving mode.
If this mode is disabled, the system will enter the next mode in the
sequence (Suspend mode).

Suspend Mode:

When the setting selected for "Power Management" is "User Define", you
can define for this mode any delay from 1 minute to 1 hour. If no power
management event occurs during this time period, meaning the computer
is inactive during this period, the system will enter the Suspend power
saving mode. The CPU stops working completely.
If this mode is disabled, the system will not enter the Suspend mode.
Wake-Up Events:
When system is in Doze or Standby power saving mode, it will check for
the wake-up events (IRQ4, 3, 8, 12) defined. When it detects an activity
of one of the IRQs defined, it exits the power saving mode and returns to
full operation mode (Normal).
Wake-up events are all operations or signals that cause the system to
recover normal operation.
Power Down & Resume Events:
When one of the power down and resume events (IRQ3-15) speficied
occurs, the count down made for entry in power saving mode goes back
to zero.
Since the computer will enter a power saving mode only after an inactivity
delay specified (time speficied for Doze, Standby and Suspend modes)
and after it has no activity, during this time period, any event will cause the
computer to re-count the time elapsed. Resume events are operations or
signals that cause the computer to resume time counting.
Chapter 3