DFI SB331-IPM, User Manual, Page: 27 / 160

27
2
Hardware Installation
These jumpers are used to select the power of the USB ports. Selecting
+5V_standby will allow you to use a USB device to wake up the system.
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 sup-
port ≥1.5A. For 3 or more USB ports, the +5V_standby power source of
your power supply must support ≥2A.
USB Power Select
USB 0-1/10-11
(JP3)
2-3 On:
+5V_standby
1-2 On: +5V
(default)
USB 12-13/6-7
(JP8)
2-3 On:
+5V_standby
1-2 On: +5V
(default)
3
1
2
3
1
2
USB 4-5/2-3
(JP9)
3 1 2
3 1 2
USB 8-9
(JP4)