DFI HD330-H81 - Manual (Page 16)

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16
Chapter 2 Hardware Installation
Chapter 2
JP4, JP5, JP6 and JP8 are used to select the power of the USB devices. Selecting +5V_standby
will allow you to use a USB device to wake up the system.
USB Power Select
USB 8-9
(JP4)
USB 2-3
(JP8)
Important:
If you are using the Wake-On-USB Keyboard/Mouse function for 2 USB ports, the
+5V_standby power source of your power supply must support ≥1.5A. For 3 or more
USB ports, the +5V_standby power source of your power supply must support ≥2A.
Power-on Select
1-2 On:
Power-on via power button
(default)
2-3 On:
Power-on via AC power
JP10
USB 4-5
(JP6)
USB 0-1
(JP5)
1
3
2
1
3
2
2-3 On:
+5V_standby
1-2 On: +5V
(default)
3 1 2
3 1 2
JP10 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 JP10 pins 2 and 3 to On. If you want to use the
power button, set pins 1 and 2 to On.
When using JP10 “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).