Onlogic HX310, Product Manual, Page: 30 / 43

4 - Power Management
4.1 - Wake-Up Events
The Helix platform supports multiple power states. The wake-up events can be configured in the
BIOS. This section describes the supported power management functions and gives information on
protection circuitry for power adapters. Low power shutdown is an additional option in the BIOS. See
Appendix C for more information.
Wake-Up Event From ACPI State Comments
Power Button Low Power
shutdown, S5, S3
LAN S5, S3 Must be enabled in BIOS
USB S3
RTC Wake set by BIOS S5, S3 Must be enabled in BIOS
RTC Wake set by OS S3
4.2 - Protection Circuitry
Parameter Value
Nominal operating voltage (Rated DC value of input) 8~24V
Undervoltage protection trip DC level (system turns off) 6.5V
Maximum safe DC voltage (system not damaged) 27V
These DC levels specified are the absolute max values for the pins for function and safety of the
system. The protection circuitry allows for brief transient voltages above these levels without the
system turning off or being damaged. A transient voltage suppressor on the power input allows
momentary excursions above stated limits. For input power consumption and current see
Appendix A.
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