NR115
Motherboard
15
Jumper Introduction
cont….
Front Side USB Connector Pin Definition
J23
Front Side USB Connector Pin Definition
Pin
Signal Name
Description
1
V2+
Front Side USB Port2 VCC
2
V1+
Front Side USB Port1 VCC
3
USB2-
Front Side USB Port2
Signal-
4
USB1-
Front Side USB Port1
Signal-
5
USB2+
Front Side USB Port2
6
USB1+
Front Side USB Port1
7
GND2
Front Side USB Port2 GND
8
GND1
Front Side USB Port1 GND
9 NC
No
Connect
10
USBOC
USB Over-Current Detect
USB1-
V1+
V2+
USB2-
USB2+ USB1+
GND2 GND1
NC
USBOC
