Chapter
1
Motherboard
Description
1-22
1.6.8 5V/ 5VSB Selection for KB: JKBV1 (Optional)
JKBV1 Assignment
1 3
1-2 Closed
5V
1 3
2-3 Closed
5V_SB
1.6.9 Front USB Headers: JUSB2
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
1.6.10 Clear CMOS Jumper: JCMOS1
JCMOS1 Assignment
1 3
1-2 Closed
Normal Operation (default)
1 3
2-3 Closed
Clear CMOS Data
Remove AC
power line
Wait five
seconds
JCMOS1
(1-2) closed
AC power on
Reset your desired password
or clear CMOS data
JCMOS1
(2-3) closed