Jumper Settings For Selecting The Usb Power - DFI PE21-EC User Manual

2
Hardware Installation

2.5 Jumper Settings for Selecting the USB Power

USB power select
for USB 1/2 (JP1)
Power Select for USB 1 and USB 2 (JP1) and
Power Select for USB 3 to USB 6 (JP4)
These jumpers are used to select the power of the USB ports.
24
3
2
1
3
2
1
1-2 On: VCC power
(default)
Note:
•
You can enable or disable the USB ports in the Integrated
Peripherals submenu ("OnChip USB Controller" field) of the
BIOS.
•
If you wish to use the Wake-On-USB Keyboard/Mouse
function, make sure this jumper is set to "2-3 On". "USB
Resume From S3" ("IRQ/Event Activity Detect" field) in the
Power Management submenu of the BIOS must be set to
Enabled.
USB power
3
select for
2
1
USB 3-6 (JP4)
3
2
1
2-3 On: 5VDUL power