Hardware installation, Usb power select – DFI SR330-N User Manual

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Hardware Installation

JP2 (for USB 0-3) and JP12 (for USB 4-9) 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.

BIOS Setting

“USB KB Wake-Up From S3” in the Power Management Setup
submenu of the BIOS must be set to Enabled. Refer to chapter 3
for more information.

Important:
If you are using the Wake-On-USB Keyboard/Mouse function for
2 USB ports, the 5V_standby power source of your power sup-
ply must support

1.5A. For 3 or more USB ports, the

5V_standby power source of your power supply must support

2A.

USB Power Select

X

USB 0-3

(JP2)

X

1-2 On: 5V

(default)

2-3 On:

5V_standby

USB 4-9

(JP12)

1-2 On: 5V

(default)

2-3 On:

5V_standby

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