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Chapter 1
1.6.9 Front USB Headers: JUSB1/JUSB2 &
USB20A1/USB20B1 (Optional)
Note: Before you install these two headers, make sure the pin assignments
are corresponded to the table below, otherwise, it may cause great
damage to your USB device.
(JUSB1)
Pin
Assignment
1
3
USB2 Data(-)
5
USB2 Data(+)
7
Ground
9
(JUSB2)
Pin
Assignment
1
3
USB4 Data(-)
5
USB4 Data(+)
7
Ground
9
Pin
+5V
2
4
6
8
KEY
10
Pin
+5V
2
4
6
8
KEY
10
1-23
Motherboard Description
Assignment
+5V
USB3 Data(-)
USB3 Data(+)
Ground
NC
Assignment
+5V
USB5 Data(-)
USB5 Data(+)
Ground
NC
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