Teknor Industrial Computers VIPer 821 Technical Reference Manual page 41

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All power management controls and setups are provided at the BIOS level.
SETUPS
Related Jumpers
No jumper setting is required.
BIOS Level
All setups are provided at the BIOS level, refer to the BIOS Setup program description.
OPERATION
The board supports three levels of power management:
Doze mode – after a selected period of system inactivity, the CPU clock runs at lower
speed while all other devices still operate at full speed.
Standby mode – after entering Doze mode, and a selected period of system inactivity has
elapsed, the fixe disk drive and the video shut off while all other devices still operate at a full
speed.
Suspend mode – after entering Standby mode, and a selected period of system inactivity
has elapsed, all devices except the CPU shut off.
The power management can be resumed by an IRQ assigned to the modem (when used). An
activity of the assigned IRQ always awakens the system.
The hard disk drive can be powered down while all other devices remain active. The HDD
Powerdown mode is only available if the device supports this capability.
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