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Chapter
1
Motherboard
Description
1-22
1.6.10 Front USB Headers: JUSB1& USB20A/B
(Optional)
(JUSB1)
Pin Assignment Pin Assignment
1
+5V
2
+5V
3
USB1 Data(-)
4
USB2 Data(-)
5
USB1 Data(+)
6
USB2 Data(+)
7
Ground
8
Ground
9
KEY
10
NA
(USB20A) (Optional)
Pin Assignment Pin Assignment
1
+5V
2
+5V
3
USB1 Data (-)
4
USB2 Data (-)
5
USB1 Data (+)
6
USB2 Data (+)
7
Ground
8
Ground
9
KEY
10
NA
(USB20B) (Optional)
Pin Assignment Pin Assignment
1
+5V
2
+5V
3
USB3 Data (-)
4
USB4 Data (-)
5
USB3 Data (+)
6
USB4 Data (+)
7
Ground
8
Ground
9
KEY
10
NA