Chapter
1
Motherboard
Description
13
4-7. Front USB Header: JUSB3
(JUSB3)
Pin
Assignment
Pin
Assignment
1
+5V(fused)
2
+5V(fused)
3
USBP2-
4
USBP3-
5
USBP2+
6
USBP3+
7
Ground
8
Ground
9
KEY
10
NC
4-8. Front USB Header: JUSB4
(only for South Bridge VT8235)
(JUSB4)
Pin Assignment Pin Assignment
1
+5V(fused)
2
+5V(fused)
3
USBP2-
4
USBP3-
5
USBP2+
6
USBP3+
7
Ground
8
Ground
9
KEY
10
NC
4-9. 5V / 5VSB Selection for KB: JKBV1
JKBV1 Assignment
1 3
1-2 Closed
5V
1 3
2-3 Closed
5V_SB
4-10. ATX 12V Power Connector: JATXPWR2
PIN Assignment
PIN Assignment
1 +12V 3 Ground
2 +12V 4 Ground
