Usb Power Select - DFI-ITOX G4H875-N User Manual

2
Hardware Installation

USB Power Select

JP3 is used to select the power of the USB ports. Selecting 5VSB
will allow you to use the USB keyboard to wake up the system.
BIOS Setting
"USB KB WakeUp From S3(S4)" in the Power Management Setup
submenu of the BIOS must be set to Enabled. Refer to chapter 3
for more information.
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Important:
If you are using the Wake-On-USB Keyboard/Mouse function for
2 USB ports, the 5VSB power source of your power supply
must support ≥ 1.5A. For 3 or more USB ports, the 5VSB
power source of your power supply must support ≥ 2A.
3
JP3
2
1
1-2 On: VCC 2-3 On: 5VSB
(default)
3
2
1