DFI NP951-B16C - Manual (Page 26)

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2
Hardware Installation
Power-on Select
JP5 is used to select the method of powering on the system. If you want the
system to power-on whenever AC power comes in, set JP5 pins 2 and 3 to On. If
you want to use the power button, set pins 1 and 2 to On.
When using the JP5 “Power On” feature to power the system back on after a
power failure occurs, the system may not power on if the power lost is resumed
within 5 seconds (power flicker).
Note:
In order to ensure that power is resumed after a power failure that re-
covers within a 5 second period, JP5 must be set to pins 2-3 and the
“PWRON After PWR-Fail” in CMOS is set to “On”.
1-2 On:
Power-on via
power button
(default)
2-3 On:
Power-on via
AC power
JP5
3 1 2 3 1 2