Ampro Corporation MightyBoard 821 manual Chapter Hardware

Chapter 3 Hardware

Power-On LED if connected. Your system will take longer to wake-up in this sleep state, however, since your data is saved to the disk, it is more secure and should not be lost in the event of a power failure.

♦To enter a hibernate or suspend-to-disk state, the MightyBoard 821 must be fully powered on while the OS transitions the MightyBoard 821 into this sleep state (S4) under user control.

♦To exit this sleep state, typically pressing the power switch for less than 4 seconds (default) will restore full operation.

•5th state is the normal power off or shutdown (S5).

All activity stops, except the internal clock, if there is a backup battery installed. Removing the power cord from the power source ensures all activity is stopped, except the internal clock.

♦To go to a fully powered down state, the MightyBoard 821 must either be powered on, or in a sleep state, and then the Power On/Off switch is pressed for more than 4 to 6 seconds.

♦To go to a fully powered up state, press the power switch for less than 4 seconds (default) and full operation is restored.

The OS may provide additional programming features to change the activation time for each state, and to shutdown or transition the MightyBoard 821 at certain times, depending on the way the OS interface is programmed. Refer to the OS vender’s documentation for power management under the ACPI standard.

30 Reference Manual MightyBoard 821